Home / 51,730.13-77,442.11-31,945.07

Finding the Fourth Proportional to 51,730.13, 77,442.11 and 31,945.07

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Solution

The fourth proportional to 51,730.13, 77,442.11 and 31,945.07 is: 47,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,730.13 : 77,442.11 = 31,945.07 : x
  2. Step 2: Convert to fraction form
    51,730.13/77,442.11 = 31,945.07/x
  3. Step 3: Cross multiply
    51,730.13x = 77,442.11 × 31,945.07
  4. Step 4: Simplify right side
    51,730.13x = 2,473,893,778.57
  5. Step 5: Solve for x
    x = 2,473,893,778.57/51,730.13
  6. Step 6: Final answer
    x = 47,823.07

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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.