Home / 39,490.40-59,238.71-13,195.23

Finding the Fourth Proportional to 39,490.40, 59,238.71 and 13,195.23

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Solution

The fourth proportional to 39,490.40, 59,238.71 and 13,195.23 is: 19,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,490.40 : 59,238.71 = 13,195.23 : x
  2. Step 2: Convert to fraction form
    39,490.40/59,238.71 = 13,195.23/x
  3. Step 3: Cross multiply
    39,490.40x = 59,238.71 × 13,195.23
  4. Step 4: Simplify right side
    39,490.40x = 781,668,337.38
  5. Step 5: Solve for x
    x = 781,668,337.38/39,490.40
  6. Step 6: Final answer
    x = 19,793.89

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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.