Home / 42,541.70-63,807.71-11,379.38

Finding the Fourth Proportional to 42,541.70, 63,807.71 and 11,379.38

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Solution

The fourth proportional to 42,541.70, 63,807.71 and 11,379.38 is: 17,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541.70 : 63,807.71 = 11,379.38 : x
  2. Step 2: Convert to fraction form
    42,541.70/63,807.71 = 11,379.38/x
  3. Step 3: Cross multiply
    42,541.70x = 63,807.71 × 11,379.38
  4. Step 4: Simplify right side
    42,541.70x = 726,091,803.08
  5. Step 5: Solve for x
    x = 726,091,803.08/42,541.70
  6. Step 6: Final answer
    x = 17,067.77

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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.