Home / 51,499.52-71,102.40-35,393.60

Finding the Fourth Proportional to 51,499.52, 71,102.40 and 35,393.60

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Solution

The fourth proportional to 51,499.52, 71,102.40 and 35,393.60 is: 48,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,499.52 : 71,102.40 = 35,393.60 : x
  2. Step 2: Convert to fraction form
    51,499.52/71,102.40 = 35,393.60/x
  3. Step 3: Cross multiply
    51,499.52x = 71,102.40 × 35,393.60
  4. Step 4: Simplify right side
    51,499.52x = 2,516,569,904.64
  5. Step 5: Solve for x
    x = 2,516,569,904.64/51,499.52
  6. Step 6: Final answer
    x = 48,865.89

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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.