Home / 47,175.28-70,754.96-13,438.92

Finding the Fourth Proportional to 47,175.28, 70,754.96 and 13,438.92

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Solution

The fourth proportional to 47,175.28, 70,754.96 and 13,438.92 is: 20,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,175.28 : 70,754.96 = 13,438.92 : x
  2. Step 2: Convert to fraction form
    47,175.28/70,754.96 = 13,438.92/x
  3. Step 3: Cross multiply
    47,175.28x = 70,754.96 × 13,438.92
  4. Step 4: Simplify right side
    47,175.28x = 950,870,247.04
  5. Step 5: Solve for x
    x = 950,870,247.04/47,175.28
  6. Step 6: Final answer
    x = 20,156.11

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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.