Home / 47,829.78-71,754.38-16,686.90

Finding the Fourth Proportional to 47,829.78, 71,754.38 and 16,686.90

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Solution

The fourth proportional to 47,829.78, 71,754.38 and 16,686.90 is: 25,033.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,829.78 : 71,754.38 = 16,686.90 : x
  2. Step 2: Convert to fraction form
    47,829.78/71,754.38 = 16,686.90/x
  3. Step 3: Cross multiply
    47,829.78x = 71,754.38 × 16,686.90
  4. Step 4: Simplify right side
    47,829.78x = 1,197,358,080.19
  5. Step 5: Solve for x
    x = 1,197,358,080.19/47,829.78
  6. Step 6: Final answer
    x = 25,033.74

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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.