Home / 31,500.16-47,234.88-13,745.84

Finding the Fourth Proportional to 31,500.16, 47,234.88 and 13,745.84

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Solution

The fourth proportional to 31,500.16, 47,234.88 and 13,745.84 is: 20,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.16 : 47,234.88 = 13,745.84 : x
  2. Step 2: Convert to fraction form
    31,500.16/47,234.88 = 13,745.84/x
  3. Step 3: Cross multiply
    31,500.16x = 47,234.88 × 13,745.84
  4. Step 4: Simplify right side
    31,500.16x = 649,283,102.90
  5. Step 5: Solve for x
    x = 649,283,102.90/31,500.16
  6. Step 6: Final answer
    x = 20,612.06

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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.