Home / 48,097.08-72,139.68-13,039.20

Finding the Fourth Proportional to 48,097.08, 72,139.68 and 13,039.20

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Solution

The fourth proportional to 48,097.08, 72,139.68 and 13,039.20 is: 19,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,097.08 : 72,139.68 = 13,039.20 : x
  2. Step 2: Convert to fraction form
    48,097.08/72,139.68 = 13,039.20/x
  3. Step 3: Cross multiply
    48,097.08x = 72,139.68 × 13,039.20
  4. Step 4: Simplify right side
    48,097.08x = 940,643,715.46
  5. Step 5: Solve for x
    x = 940,643,715.46/48,097.08
  6. Step 6: Final answer
    x = 19,557.19

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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.