Home / 40,387.20-60,555.96-15,076.32

Finding the Fourth Proportional to 40,387.20, 60,555.96 and 15,076.32

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Solution

The fourth proportional to 40,387.20, 60,555.96 and 15,076.32 is: 22,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.20 : 60,555.96 = 15,076.32 : x
  2. Step 2: Convert to fraction form
    40,387.20/60,555.96 = 15,076.32/x
  3. Step 3: Cross multiply
    40,387.20x = 60,555.96 × 15,076.32
  4. Step 4: Simplify right side
    40,387.20x = 912,961,030.87
  5. Step 5: Solve for x
    x = 912,961,030.87/40,387.20
  6. Step 6: Final answer
    x = 22,605.21

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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.