Home / 61,488.11-84,872.41-36,000.45

Finding the Fourth Proportional to 61,488.11, 84,872.41 and 36,000.45

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Solution

The fourth proportional to 61,488.11, 84,872.41 and 36,000.45 is: 49,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,488.11 : 84,872.41 = 36,000.45 : x
  2. Step 2: Convert to fraction form
    61,488.11/84,872.41 = 36,000.45/x
  3. Step 3: Cross multiply
    61,488.11x = 84,872.41 × 36,000.45
  4. Step 4: Simplify right side
    61,488.11x = 3,055,444,862.58
  5. Step 5: Solve for x
    x = 3,055,444,862.58/61,488.11
  6. Step 6: Final answer
    x = 49,691.64

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1.5x scale

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.