Home / 42,220.86-63,403.74-37,487.70

Finding the Fourth Proportional to 42,220.86, 63,403.74 and 37,487.70

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Solution

The fourth proportional to 42,220.86, 63,403.74 and 37,487.70 is: 56,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.86 : 63,403.74 = 37,487.70 : x
  2. Step 2: Convert to fraction form
    42,220.86/63,403.74 = 37,487.70/x
  3. Step 3: Cross multiply
    42,220.86x = 63,403.74 × 37,487.70
  4. Step 4: Simplify right side
    42,220.86x = 2,376,860,384.00
  5. Step 5: Solve for x
    x = 2,376,860,384.00/42,220.86
  6. Step 6: Final answer
    x = 56,295.88

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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.