Home / 64,920.28-97,391.18-22,789.43

Finding the Fourth Proportional to 64,920.28, 97,391.18 and 22,789.43

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Solution

The fourth proportional to 64,920.28, 97,391.18 and 22,789.43 is: 34,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,920.28 : 97,391.18 = 22,789.43 : x
  2. Step 2: Convert to fraction form
    64,920.28/97,391.18 = 22,789.43/x
  3. Step 3: Cross multiply
    64,920.28x = 97,391.18 × 22,789.43
  4. Step 4: Simplify right side
    64,920.28x = 2,219,489,779.68
  5. Step 5: Solve for x
    x = 2,219,489,779.68/64,920.28
  6. Step 6: Final answer
    x = 34,187.93

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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.