Home / 57,178.23-85,732.61-25,582.40

Finding the Fourth Proportional to 57,178.23, 85,732.61 and 25,582.40

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Solution

The fourth proportional to 57,178.23, 85,732.61 and 25,582.40 is: 38,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,178.23 : 85,732.61 = 25,582.40 : x
  2. Step 2: Convert to fraction form
    57,178.23/85,732.61 = 25,582.40/x
  3. Step 3: Cross multiply
    57,178.23x = 85,732.61 × 25,582.40
  4. Step 4: Simplify right side
    57,178.23x = 2,193,246,313.13
  5. Step 5: Solve for x
    x = 2,193,246,313.13/57,178.23
  6. Step 6: Final answer
    x = 38,358.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.