Home / 29,543.75-40,770.50-16,115.29

Finding the Fourth Proportional to 29,543.75, 40,770.50 and 16,115.29

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Solution

The fourth proportional to 29,543.75, 40,770.50 and 16,115.29 is: 22,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,543.75 : 40,770.50 = 16,115.29 : x
  2. Step 2: Convert to fraction form
    29,543.75/40,770.50 = 16,115.29/x
  3. Step 3: Cross multiply
    29,543.75x = 40,770.50 × 16,115.29
  4. Step 4: Simplify right side
    29,543.75x = 657,028,430.95
  5. Step 5: Solve for x
    x = 657,028,430.95/29,543.75
  6. Step 6: Final answer
    x = 22,239.17

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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.