Home / 47,810.14-71,712.45-18,230.96

Finding the Fourth Proportional to 47,810.14, 71,712.45 and 18,230.96

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Solution

The fourth proportional to 47,810.14, 71,712.45 and 18,230.96 is: 27,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,810.14 : 71,712.45 = 18,230.96 : x
  2. Step 2: Convert to fraction form
    47,810.14/71,712.45 = 18,230.96/x
  3. Step 3: Cross multiply
    47,810.14x = 71,712.45 × 18,230.96
  4. Step 4: Simplify right side
    47,810.14x = 1,307,386,807.45
  5. Step 5: Solve for x
    x = 1,307,386,807.45/47,810.14
  6. Step 6: Final answer
    x = 27,345.39

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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.