Home / 39,210.21-54,102.96-23,298.57

Finding the Fourth Proportional to 39,210.21, 54,102.96 and 23,298.57

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Solution

The fourth proportional to 39,210.21, 54,102.96 and 23,298.57 is: 32,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.21 : 54,102.96 = 23,298.57 : x
  2. Step 2: Convert to fraction form
    39,210.21/54,102.96 = 23,298.57/x
  3. Step 3: Cross multiply
    39,210.21x = 54,102.96 × 23,298.57
  4. Step 4: Simplify right side
    39,210.21x = 1,260,521,600.77
  5. Step 5: Solve for x
    x = 1,260,521,600.77/39,210.21
  6. Step 6: Final answer
    x = 32,147.79

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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.