Home / 29,087.52-40,139.72-17,775.95

Finding the Fourth Proportional to 29,087.52, 40,139.72 and 17,775.95

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Solution

The fourth proportional to 29,087.52, 40,139.72 and 17,775.95 is: 24,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.52 : 40,139.72 = 17,775.95 : x
  2. Step 2: Convert to fraction form
    29,087.52/40,139.72 = 17,775.95/x
  3. Step 3: Cross multiply
    29,087.52x = 40,139.72 × 17,775.95
  4. Step 4: Simplify right side
    29,087.52x = 713,521,655.73
  5. Step 5: Solve for x
    x = 713,521,655.73/29,087.52
  6. Step 6: Final answer
    x = 24,530.16

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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.