Home / 29,585.52-40,758.62-20,616.74

Finding the Fourth Proportional to 29,585.52, 40,758.62 and 20,616.74

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Solution

The fourth proportional to 29,585.52, 40,758.62 and 20,616.74 is: 28,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,585.52 : 40,758.62 = 20,616.74 : x
  2. Step 2: Convert to fraction form
    29,585.52/40,758.62 = 20,616.74/x
  3. Step 3: Cross multiply
    29,585.52x = 40,758.62 × 20,616.74
  4. Step 4: Simplify right side
    29,585.52x = 840,309,871.30
  5. Step 5: Solve for x
    x = 840,309,871.30/29,585.52
  6. Step 6: Final answer
    x = 28,402.74

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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.