Home / 31,507.56-47,237.91-13,734.85

Finding the Fourth Proportional to 31,507.56, 47,237.91 and 13,734.85

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Solution

The fourth proportional to 31,507.56, 47,237.91 and 13,734.85 is: 20,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.56 : 47,237.91 = 13,734.85 : x
  2. Step 2: Convert to fraction form
    31,507.56/47,237.91 = 13,734.85/x
  3. Step 3: Cross multiply
    31,507.56x = 47,237.91 × 13,734.85
  4. Step 4: Simplify right side
    31,507.56x = 648,805,608.16
  5. Step 5: Solve for x
    x = 648,805,608.16/31,507.56
  6. Step 6: Final answer
    x = 20,592.06

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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.