Home / 55,780.13-83,670.20-14,227.13

Finding the Fourth Proportional to 55,780.13, 83,670.20 and 14,227.13

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Solution

The fourth proportional to 55,780.13, 83,670.20 and 14,227.13 is: 21,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780.13 : 83,670.20 = 14,227.13 : x
  2. Step 2: Convert to fraction form
    55,780.13/83,670.20 = 14,227.13/x
  3. Step 3: Cross multiply
    55,780.13x = 83,670.20 × 14,227.13
  4. Step 4: Simplify right side
    55,780.13x = 1,190,386,323.04
  5. Step 5: Solve for x
    x = 1,190,386,323.04/55,780.13
  6. Step 6: Final answer
    x = 21,340.69

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Double scale
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Similar ratio
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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.