Home / 42,330.50-63,487.54-40,223.08

Finding the Fourth Proportional to 42,330.50, 63,487.54 and 40,223.08

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Solution

The fourth proportional to 42,330.50, 63,487.54 and 40,223.08 is: 60,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,330.50 : 63,487.54 = 40,223.08 : x
  2. Step 2: Convert to fraction form
    42,330.50/63,487.54 = 40,223.08/x
  3. Step 3: Cross multiply
    42,330.50x = 63,487.54 × 40,223.08
  4. Step 4: Simplify right side
    42,330.50x = 2,553,663,881.87
  5. Step 5: Solve for x
    x = 2,553,663,881.87/42,330.50
  6. Step 6: Final answer
    x = 60,326.81

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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.