Home / 51,551.40-71,147.52-30,332.64

Finding the Fourth Proportional to 51,551.40, 71,147.52 and 30,332.64

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Solution

The fourth proportional to 51,551.40, 71,147.52 and 30,332.64 is: 41,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551.40 : 71,147.52 = 30,332.64 : x
  2. Step 2: Convert to fraction form
    51,551.40/71,147.52 = 30,332.64/x
  3. Step 3: Cross multiply
    51,551.40x = 71,147.52 × 30,332.64
  4. Step 4: Simplify right side
    51,551.40x = 2,158,092,111.05
  5. Step 5: Solve for x
    x = 2,158,092,111.05/51,551.40
  6. Step 6: Final answer
    x = 41,862.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.