Home / 53,217.39-79,849.67-28,251.42

Finding the Fourth Proportional to 53,217.39, 79,849.67 and 28,251.42

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Solution

The fourth proportional to 53,217.39, 79,849.67 and 28,251.42 is: 42,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.39 : 79,849.67 = 28,251.42 : x
  2. Step 2: Convert to fraction form
    53,217.39/79,849.67 = 28,251.42/x
  3. Step 3: Cross multiply
    53,217.39x = 79,849.67 × 28,251.42
  4. Step 4: Simplify right side
    53,217.39x = 2,255,866,564.03
  5. Step 5: Solve for x
    x = 2,255,866,564.03/53,217.39
  6. Step 6: Final answer
    x = 42,389.65

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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.