Home / 57,349.31-86,023.91-17,909.79

Finding the Fourth Proportional to 57,349.31, 86,023.91 and 17,909.79

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Solution

The fourth proportional to 57,349.31, 86,023.91 and 17,909.79 is: 26,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,349.31 : 86,023.91 = 17,909.79 : x
  2. Step 2: Convert to fraction form
    57,349.31/86,023.91 = 17,909.79/x
  3. Step 3: Cross multiply
    57,349.31x = 86,023.91 × 17,909.79
  4. Step 4: Simplify right side
    57,349.31x = 1,540,670,073.53
  5. Step 5: Solve for x
    x = 1,540,670,073.53/57,349.31
  6. Step 6: Final answer
    x = 26,864.67

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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.