Home / 82,395.15-123,592.72-38,008.77

Finding the Fourth Proportional to 82,395.15, 123,592.72 and 38,008.77

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Solution

The fourth proportional to 82,395.15, 123,592.72 and 38,008.77 is: 57,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,395.15 : 123,592.72 = 38,008.77 : x
  2. Step 2: Convert to fraction form
    82,395.15/123,592.72 = 38,008.77/x
  3. Step 3: Cross multiply
    82,395.15x = 123,592.72 × 38,008.77
  4. Step 4: Simplify right side
    82,395.15x = 4,697,606,959.17
  5. Step 5: Solve for x
    x = 4,697,606,959.17/82,395.15
  6. Step 6: Final answer
    x = 57,013.15

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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.