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Finding the Fourth Proportional to 84,841.83, 127,262.61 and 21,661.92

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Solution

The fourth proportional to 84,841.83, 127,262.61 and 21,661.92 is: 32,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,841.83 : 127,262.61 = 21,661.92 : x
  2. Step 2: Convert to fraction form
    84,841.83/127,262.61 = 21,661.92/x
  3. Step 3: Cross multiply
    84,841.83x = 127,262.61 × 21,661.92
  4. Step 4: Simplify right side
    84,841.83x = 2,756,752,476.81
  5. Step 5: Solve for x
    x = 2,756,752,476.81/84,841.83
  6. Step 6: Final answer
    x = 32,492.85

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1.5x scale

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.