Home / 29,543.78-40,771.17-16,115.25

Finding the Fourth Proportional to 29,543.78, 40,771.17 and 16,115.25

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Solution

The fourth proportional to 29,543.78, 40,771.17 and 16,115.25 is: 22,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,543.78 : 40,771.17 = 16,115.25 : x
  2. Step 2: Convert to fraction form
    29,543.78/40,771.17 = 16,115.25/x
  3. Step 3: Cross multiply
    29,543.78x = 40,771.17 × 16,115.25
  4. Step 4: Simplify right side
    29,543.78x = 657,037,597.34
  5. Step 5: Solve for x
    x = 657,037,597.34/29,543.78
  6. Step 6: Final answer
    x = 22,239.46

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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.