Home / 52,795.21-72,862.61-30,137.61

Finding the Fourth Proportional to 52,795.21, 72,862.61 and 30,137.61

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Solution

The fourth proportional to 52,795.21, 72,862.61 and 30,137.61 is: 41,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,795.21 : 72,862.61 = 30,137.61 : x
  2. Step 2: Convert to fraction form
    52,795.21/72,862.61 = 30,137.61/x
  3. Step 3: Cross multiply
    52,795.21x = 72,862.61 × 30,137.61
  4. Step 4: Simplify right side
    52,795.21x = 2,195,904,741.61
  5. Step 5: Solve for x
    x = 2,195,904,741.61/52,795.21
  6. Step 6: Final answer
    x = 41,592.88

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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.