Home / 39,046.72-58,658.40-27,977.92

Finding the Fourth Proportional to 39,046.72, 58,658.40 and 27,977.92

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Solution

The fourth proportional to 39,046.72, 58,658.40 and 27,977.92 is: 42,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,046.72 : 58,658.40 = 27,977.92 : x
  2. Step 2: Convert to fraction form
    39,046.72/58,658.40 = 27,977.92/x
  3. Step 3: Cross multiply
    39,046.72x = 58,658.40 × 27,977.92
  4. Step 4: Simplify right side
    39,046.72x = 1,641,140,022.53
  5. Step 5: Solve for x
    x = 1,641,140,022.53/39,046.72
  6. Step 6: Final answer
    x = 42,030.16

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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.