Home / 61,348.22-84,635.39-38,679.98

Finding the Fourth Proportional to 61,348.22, 84,635.39 and 38,679.98

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Solution

The fourth proportional to 61,348.22, 84,635.39 and 38,679.98 is: 53,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,348.22 : 84,635.39 = 38,679.98 : x
  2. Step 2: Convert to fraction form
    61,348.22/84,635.39 = 38,679.98/x
  3. Step 3: Cross multiply
    61,348.22x = 84,635.39 × 38,679.98
  4. Step 4: Simplify right side
    61,348.22x = 3,273,695,192.49
  5. Step 5: Solve for x
    x = 3,273,695,192.49/61,348.22
  6. Step 6: Final answer
    x = 53,362.51

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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.