Home / 31,724.36-47,586.59-13,000.91

Finding the Fourth Proportional to 31,724.36, 47,586.59 and 13,000.91

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Solution

The fourth proportional to 31,724.36, 47,586.59 and 13,000.91 is: 19,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,724.36 : 47,586.59 = 13,000.91 : x
  2. Step 2: Convert to fraction form
    31,724.36/47,586.59 = 13,000.91/x
  3. Step 3: Cross multiply
    31,724.36x = 47,586.59 × 13,000.91
  4. Step 4: Simplify right side
    31,724.36x = 618,668,719.61
  5. Step 5: Solve for x
    x = 618,668,719.61/31,724.36
  6. Step 6: Final answer
    x = 19,501.38

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Similar ratio
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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.