Home / 60,631.92-90,948.24-21,161.43

Finding the Fourth Proportional to 60,631.92, 90,948.24 and 21,161.43

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Solution

The fourth proportional to 60,631.92, 90,948.24 and 21,161.43 is: 31,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,631.92 : 90,948.24 = 21,161.43 : x
  2. Step 2: Convert to fraction form
    60,631.92/90,948.24 = 21,161.43/x
  3. Step 3: Cross multiply
    60,631.92x = 90,948.24 × 21,161.43
  4. Step 4: Simplify right side
    60,631.92x = 1,924,594,814.38
  5. Step 5: Solve for x
    x = 1,924,594,814.38/60,631.92
  6. Step 6: Final answer
    x = 31,742.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.