Home / 48,131.87-72,210.12-18,541.76

Finding the Fourth Proportional to 48,131.87, 72,210.12 and 18,541.76

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Solution

The fourth proportional to 48,131.87, 72,210.12 and 18,541.76 is: 27,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,131.87 : 72,210.12 = 18,541.76 : x
  2. Step 2: Convert to fraction form
    48,131.87/72,210.12 = 18,541.76/x
  3. Step 3: Cross multiply
    48,131.87x = 72,210.12 × 18,541.76
  4. Step 4: Simplify right side
    48,131.87x = 1,338,902,714.61
  5. Step 5: Solve for x
    x = 1,338,902,714.61/48,131.87
  6. Step 6: Final answer
    x = 27,817.38

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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.