Home / 31,820.46-47,657.98-15,192.19

Finding the Fourth Proportional to 31,820.46, 47,657.98 and 15,192.19

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Solution

The fourth proportional to 31,820.46, 47,657.98 and 15,192.19 is: 22,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.46 : 47,657.98 = 15,192.19 : x
  2. Step 2: Convert to fraction form
    31,820.46/47,657.98 = 15,192.19/x
  3. Step 3: Cross multiply
    31,820.46x = 47,657.98 × 15,192.19
  4. Step 4: Simplify right side
    31,820.46x = 724,029,087.18
  5. Step 5: Solve for x
    x = 724,029,087.18/31,820.46
  6. Step 6: Final answer
    x = 22,753.57

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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.