Home / 52,257.18-72,065.79-40,301.58

Finding the Fourth Proportional to 52,257.18, 72,065.79 and 40,301.58

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Solution

The fourth proportional to 52,257.18, 72,065.79 and 40,301.58 is: 55,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,257.18 : 72,065.79 = 40,301.58 : x
  2. Step 2: Convert to fraction form
    52,257.18/72,065.79 = 40,301.58/x
  3. Step 3: Cross multiply
    52,257.18x = 72,065.79 × 40,301.58
  4. Step 4: Simplify right side
    52,257.18x = 2,904,365,200.95
  5. Step 5: Solve for x
    x = 2,904,365,200.95/52,257.18
  6. Step 6: Final answer
    x = 55,578.30

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1.5x scale

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.