Home / 39,306.90-58,979.52-19,588.38

Finding the Fourth Proportional to 39,306.90, 58,979.52 and 19,588.38

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Solution

The fourth proportional to 39,306.90, 58,979.52 and 19,588.38 is: 29,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,306.90 : 58,979.52 = 19,588.38 : x
  2. Step 2: Convert to fraction form
    39,306.90/58,979.52 = 19,588.38/x
  3. Step 3: Cross multiply
    39,306.90x = 58,979.52 × 19,588.38
  4. Step 4: Simplify right side
    39,306.90x = 1,155,313,249.98
  5. Step 5: Solve for x
    x = 1,155,313,249.98/39,306.90
  6. Step 6: Final answer
    x = 29,392.12

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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.