Home / 55,866.32-77,095.52-30,715.82

Finding the Fourth Proportional to 55,866.32, 77,095.52 and 30,715.82

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Solution

The fourth proportional to 55,866.32, 77,095.52 and 30,715.82 is: 42,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,866.32 : 77,095.52 = 30,715.82 : x
  2. Step 2: Convert to fraction form
    55,866.32/77,095.52 = 30,715.82/x
  3. Step 3: Cross multiply
    55,866.32x = 77,095.52 × 30,715.82
  4. Step 4: Simplify right side
    55,866.32x = 2,368,052,115.13
  5. Step 5: Solve for x
    x = 2,368,052,115.13/55,866.32
  6. Step 6: Final answer
    x = 42,387.83

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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.