Home / 39,401.86-54,372.35-22,410.23

Finding the Fourth Proportional to 39,401.86, 54,372.35 and 22,410.23

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Solution

The fourth proportional to 39,401.86, 54,372.35 and 22,410.23 is: 30,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,401.86 : 54,372.35 = 22,410.23 : x
  2. Step 2: Convert to fraction form
    39,401.86/54,372.35 = 22,410.23/x
  3. Step 3: Cross multiply
    39,401.86x = 54,372.35 × 22,410.23
  4. Step 4: Simplify right side
    39,401.86x = 1,218,496,757.09
  5. Step 5: Solve for x
    x = 1,218,496,757.09/39,401.86
  6. Step 6: Final answer
    x = 30,924.86

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Half scale
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Double scale
Find fourth proportional to 39,402.86, 54,373.72 and 22,411.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.