Home / 31,728.36-47,592.89-13,003.59

Finding the Fourth Proportional to 31,728.36, 47,592.89 and 13,003.59

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Solution

The fourth proportional to 31,728.36, 47,592.89 and 13,003.59 is: 19,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,728.36 : 47,592.89 = 13,003.59 : x
  2. Step 2: Convert to fraction form
    31,728.36/47,592.89 = 13,003.59/x
  3. Step 3: Cross multiply
    31,728.36x = 47,592.89 × 13,003.59
  4. Step 4: Simplify right side
    31,728.36x = 618,878,363.46
  5. Step 5: Solve for x
    x = 618,878,363.46/31,728.36
  6. Step 6: Final answer
    x = 19,505.53

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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.