Home / 40,767.12-61,146.59-11,187.93

Finding the Fourth Proportional to 40,767.12, 61,146.59 and 11,187.93

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Solution

The fourth proportional to 40,767.12, 61,146.59 and 11,187.93 is: 16,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,767.12 : 61,146.59 = 11,187.93 : x
  2. Step 2: Convert to fraction form
    40,767.12/61,146.59 = 11,187.93/x
  3. Step 3: Cross multiply
    40,767.12x = 61,146.59 × 11,187.93
  4. Step 4: Simplify right side
    40,767.12x = 684,103,712.72
  5. Step 5: Solve for x
    x = 684,103,712.72/40,767.12
  6. Step 6: Final answer
    x = 16,780.77

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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.