Home / 47,515.50-71,246.76-19,455.18

Finding the Fourth Proportional to 47,515.50, 71,246.76 and 19,455.18

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Solution

The fourth proportional to 47,515.50, 71,246.76 and 19,455.18 is: 29,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.50 : 71,246.76 = 19,455.18 : x
  2. Step 2: Convert to fraction form
    47,515.50/71,246.76 = 19,455.18/x
  3. Step 3: Cross multiply
    47,515.50x = 71,246.76 × 19,455.18
  4. Step 4: Simplify right side
    47,515.50x = 1,386,118,540.22
  5. Step 5: Solve for x
    x = 1,386,118,540.22/47,515.50
  6. Step 6: Final answer
    x = 29,171.92

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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.