Home / 31,754.20-47,609.70-15,122.20

Finding the Fourth Proportional to 31,754.20, 47,609.70 and 15,122.20

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Solution

The fourth proportional to 31,754.20, 47,609.70 and 15,122.20 is: 22,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.20 : 47,609.70 = 15,122.20 : x
  2. Step 2: Convert to fraction form
    31,754.20/47,609.70 = 15,122.20/x
  3. Step 3: Cross multiply
    31,754.20x = 47,609.70 × 15,122.20
  4. Step 4: Simplify right side
    31,754.20x = 719,963,405.34
  5. Step 5: Solve for x
    x = 719,963,405.34/31,754.20
  6. Step 6: Final answer
    x = 22,673.01

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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.