Home / 53,962.14-80,979.57-18,902.10

Finding the Fourth Proportional to 53,962.14, 80,979.57 and 18,902.10

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Solution

The fourth proportional to 53,962.14, 80,979.57 and 18,902.10 is: 28,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,962.14 : 80,979.57 = 18,902.10 : x
  2. Step 2: Convert to fraction form
    53,962.14/80,979.57 = 18,902.10/x
  3. Step 3: Cross multiply
    53,962.14x = 80,979.57 × 18,902.10
  4. Step 4: Simplify right side
    53,962.14x = 1,530,683,930.10
  5. Step 5: Solve for x
    x = 1,530,683,930.10/53,962.14
  6. Step 6: Final answer
    x = 28,365.89

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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.