Home / 39,680.16-54,748.96-22,913.12

Finding the Fourth Proportional to 39,680.16, 54,748.96 and 22,913.12

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Solution

The fourth proportional to 39,680.16, 54,748.96 and 22,913.12 is: 31,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,680.16 : 54,748.96 = 22,913.12 : x
  2. Step 2: Convert to fraction form
    39,680.16/54,748.96 = 22,913.12/x
  3. Step 3: Cross multiply
    39,680.16x = 54,748.96 × 22,913.12
  4. Step 4: Simplify right side
    39,680.16x = 1,254,469,490.36
  5. Step 5: Solve for x
    x = 1,254,469,490.36/39,680.16
  6. Step 6: Final answer
    x = 31,614.53

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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.