Home / 72,046.98-99,426.33-40,217.22

Finding the Fourth Proportional to 72,046.98, 99,426.33 and 40,217.22

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Solution

The fourth proportional to 72,046.98, 99,426.33 and 40,217.22 is: 55,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046.98 : 99,426.33 = 40,217.22 : x
  2. Step 2: Convert to fraction form
    72,046.98/99,426.33 = 40,217.22/x
  3. Step 3: Cross multiply
    72,046.98x = 99,426.33 × 40,217.22
  4. Step 4: Simplify right side
    72,046.98x = 3,998,650,587.40
  5. Step 5: Solve for x
    x = 3,998,650,587.40/72,046.98
  6. Step 6: Final answer
    x = 55,500.60

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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.