Home / 57,842.71-86,763.15-18,399.35

Finding the Fourth Proportional to 57,842.71, 86,763.15 and 18,399.35

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Solution

The fourth proportional to 57,842.71, 86,763.15 and 18,399.35 is: 27,598.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,842.71 : 86,763.15 = 18,399.35 : x
  2. Step 2: Convert to fraction form
    57,842.71/86,763.15 = 18,399.35/x
  3. Step 3: Cross multiply
    57,842.71x = 86,763.15 × 18,399.35
  4. Step 4: Simplify right side
    57,842.71x = 1,596,385,780.86
  5. Step 5: Solve for x
    x = 1,596,385,780.86/57,842.71
  6. Step 6: Final answer
    x = 27,598.74

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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.