Home / 31,407.14-47,101.34-10,343.29

Finding the Fourth Proportional to 31,407.14, 47,101.34 and 10,343.29

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Solution

The fourth proportional to 31,407.14, 47,101.34 and 10,343.29 is: 15,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.14 : 47,101.34 = 10,343.29 : x
  2. Step 2: Convert to fraction form
    31,407.14/47,101.34 = 10,343.29/x
  3. Step 3: Cross multiply
    31,407.14x = 47,101.34 × 10,343.29
  4. Step 4: Simplify right side
    31,407.14x = 487,182,767.29
  5. Step 5: Solve for x
    x = 487,182,767.29/31,407.14
  6. Step 6: Final answer
    x = 15,511.85

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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.