Home / 29,507.52-40,719.85-16,078.89

Finding the Fourth Proportional to 29,507.52, 40,719.85 and 16,078.89

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Solution

The fourth proportional to 29,507.52, 40,719.85 and 16,078.89 is: 22,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.52 : 40,719.85 = 16,078.89 : x
  2. Step 2: Convert to fraction form
    29,507.52/40,719.85 = 16,078.89/x
  3. Step 3: Cross multiply
    29,507.52x = 40,719.85 × 16,078.89
  4. Step 4: Simplify right side
    29,507.52x = 654,729,988.97
  5. Step 5: Solve for x
    x = 654,729,988.97/29,507.52
  6. Step 6: Final answer
    x = 22,188.58

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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.