Home / 40,746.66-61,101.54-12,658.38

Finding the Fourth Proportional to 40,746.66, 61,101.54 and 12,658.38

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Solution

The fourth proportional to 40,746.66, 61,101.54 and 12,658.38 is: 18,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,746.66 : 61,101.54 = 12,658.38 : x
  2. Step 2: Convert to fraction form
    40,746.66/61,101.54 = 12,658.38/x
  3. Step 3: Cross multiply
    40,746.66x = 61,101.54 × 12,658.38
  4. Step 4: Simplify right side
    40,746.66x = 773,446,511.91
  5. Step 5: Solve for x
    x = 773,446,511.91/40,746.66
  6. Step 6: Final answer
    x = 18,981.84

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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.