Home / 54,853.50-82,280.26-19,306.45

Finding the Fourth Proportional to 54,853.50, 82,280.26 and 19,306.45

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Solution

The fourth proportional to 54,853.50, 82,280.26 and 19,306.45 is: 28,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,853.50 : 82,280.26 = 19,306.45 : x
  2. Step 2: Convert to fraction form
    54,853.50/82,280.26 = 19,306.45/x
  3. Step 3: Cross multiply
    54,853.50x = 82,280.26 × 19,306.45
  4. Step 4: Simplify right side
    54,853.50x = 1,588,539,744.06
  5. Step 5: Solve for x
    x = 1,588,539,744.06/54,853.50
  6. Step 6: Final answer
    x = 28,959.68

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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.