Home / 47,515.64-71,267.98-12,458.08

Finding the Fourth Proportional to 47,515.64, 71,267.98 and 12,458.08

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Solution

The fourth proportional to 47,515.64, 71,267.98 and 12,458.08 is: 18,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.64 : 71,267.98 = 12,458.08 : x
  2. Step 2: Convert to fraction form
    47,515.64/71,267.98 = 12,458.08/x
  3. Step 3: Cross multiply
    47,515.64x = 71,267.98 × 12,458.08
  4. Step 4: Simplify right side
    47,515.64x = 887,862,196.28
  5. Step 5: Solve for x
    x = 887,862,196.28/47,515.64
  6. Step 6: Final answer
    x = 18,685.68

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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.