Home / 40,572.60-56,028.52-38,363.74

Finding the Fourth Proportional to 40,572.60, 56,028.52 and 38,363.74

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Solution

The fourth proportional to 40,572.60, 56,028.52 and 38,363.74 is: 52,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,572.60 : 56,028.52 = 38,363.74 : x
  2. Step 2: Convert to fraction form
    40,572.60/56,028.52 = 38,363.74/x
  3. Step 3: Cross multiply
    40,572.60x = 56,028.52 × 38,363.74
  4. Step 4: Simplify right side
    40,572.60x = 2,149,463,573.86
  5. Step 5: Solve for x
    x = 2,149,463,573.86/40,572.60
  6. Step 6: Final answer
    x = 52,978.21

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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.