Home / 39,332.30-58,949.17-30,979.31

Finding the Fourth Proportional to 39,332.30, 58,949.17 and 30,979.31

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Solution

The fourth proportional to 39,332.30, 58,949.17 and 30,979.31 is: 46,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,332.30 : 58,949.17 = 30,979.31 : x
  2. Step 2: Convert to fraction form
    39,332.30/58,949.17 = 30,979.31/x
  3. Step 3: Cross multiply
    39,332.30x = 58,949.17 × 30,979.31
  4. Step 4: Simplify right side
    39,332.30x = 1,826,204,681.60
  5. Step 5: Solve for x
    x = 1,826,204,681.60/39,332.30
  6. Step 6: Final answer
    x = 46,430.16

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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.