Home / 52,119.05-71,924.35-28,245.72

Finding the Fourth Proportional to 52,119.05, 71,924.35 and 28,245.72

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Solution

The fourth proportional to 52,119.05, 71,924.35 and 28,245.72 is: 38,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,119.05 : 71,924.35 = 28,245.72 : x
  2. Step 2: Convert to fraction form
    52,119.05/71,924.35 = 28,245.72/x
  3. Step 3: Cross multiply
    52,119.05x = 71,924.35 × 28,245.72
  4. Step 4: Simplify right side
    52,119.05x = 2,031,554,980.67
  5. Step 5: Solve for x
    x = 2,031,554,980.67/52,119.05
  6. Step 6: Final answer
    x = 38,979.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.