Home / 39,288.24-54,211.68-22,518

Finding the Fourth Proportional to 39,288.24, 54,211.68 and 22,518

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Solution

The fourth proportional to 39,288.24, 54,211.68 and 22,518 is: 31,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,288.24 : 54,211.68 = 22,518 : x
  2. Step 2: Convert to fraction form
    39,288.24/54,211.68 = 22,518/x
  3. Step 3: Cross multiply
    39,288.24x = 54,211.68 × 22,518
  4. Step 4: Simplify right side
    39,288.24x = 1,220,738,610.24
  5. Step 5: Solve for x
    x = 1,220,738,610.24/39,288.24
  6. Step 6: Final answer
    x = 31,071.35

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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.