Home / 48,159.90-72,207.45-21,851.10

Finding the Fourth Proportional to 48,159.90, 72,207.45 and 21,851.10

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Solution

The fourth proportional to 48,159.90, 72,207.45 and 21,851.10 is: 32,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,159.90 : 72,207.45 = 21,851.10 : x
  2. Step 2: Convert to fraction form
    48,159.90/72,207.45 = 21,851.10/x
  3. Step 3: Cross multiply
    48,159.90x = 72,207.45 × 21,851.10
  4. Step 4: Simplify right side
    48,159.90x = 1,577,812,210.70
  5. Step 5: Solve for x
    x = 1,577,812,210.70/48,159.90
  6. Step 6: Final answer
    x = 32,761.95

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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.