Home / 40,812.20-56,316.52-22,909.18

Finding the Fourth Proportional to 40,812.20, 56,316.52 and 22,909.18

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Solution

The fourth proportional to 40,812.20, 56,316.52 and 22,909.18 is: 31,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,812.20 : 56,316.52 = 22,909.18 : x
  2. Step 2: Convert to fraction form
    40,812.20/56,316.52 = 22,909.18/x
  3. Step 3: Cross multiply
    40,812.20x = 56,316.52 × 22,909.18
  4. Step 4: Simplify right side
    40,812.20x = 1,290,165,158.23
  5. Step 5: Solve for x
    x = 1,290,165,158.23/40,812.20
  6. Step 6: Final answer
    x = 31,612.24

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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.