Home / 39,036.24-58,418.16-31,934.16

Finding the Fourth Proportional to 39,036.24, 58,418.16 and 31,934.16

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Solution

The fourth proportional to 39,036.24, 58,418.16 and 31,934.16 is: 47,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,036.24 : 58,418.16 = 31,934.16 : x
  2. Step 2: Convert to fraction form
    39,036.24/58,418.16 = 31,934.16/x
  3. Step 3: Cross multiply
    39,036.24x = 58,418.16 × 31,934.16
  4. Step 4: Simplify right side
    39,036.24x = 1,865,534,868.35
  5. Step 5: Solve for x
    x = 1,865,534,868.35/39,036.24
  6. Step 6: Final answer
    x = 47,789.82

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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.