Home / 39,402.77-54,377.35-22,408.56

Finding the Fourth Proportional to 39,402.77, 54,377.35 and 22,408.56

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Solution

The fourth proportional to 39,402.77, 54,377.35 and 22,408.56 is: 30,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402.77 : 54,377.35 = 22,408.56 : x
  2. Step 2: Convert to fraction form
    39,402.77/54,377.35 = 22,408.56/x
  3. Step 3: Cross multiply
    39,402.77x = 54,377.35 × 22,408.56
  4. Step 4: Simplify right side
    39,402.77x = 1,218,518,110.12
  5. Step 5: Solve for x
    x = 1,218,518,110.12/39,402.77
  6. Step 6: Final answer
    x = 30,924.68

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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.