Home / 52,983.60-73,084.90-31,458.72

Finding the Fourth Proportional to 52,983.60, 73,084.90 and 31,458.72

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Solution

The fourth proportional to 52,983.60, 73,084.90 and 31,458.72 is: 43,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,983.60 : 73,084.90 = 31,458.72 : x
  2. Step 2: Convert to fraction form
    52,983.60/73,084.90 = 31,458.72/x
  3. Step 3: Cross multiply
    52,983.60x = 73,084.90 × 31,458.72
  4. Step 4: Simplify right side
    52,983.60x = 2,299,157,405.33
  5. Step 5: Solve for x
    x = 2,299,157,405.33/52,983.60
  6. Step 6: Final answer
    x = 43,393.76

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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.