Home / 40,178.39-60,266.97-13,530.20

Finding the Fourth Proportional to 40,178.39, 60,266.97 and 13,530.20

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Solution

The fourth proportional to 40,178.39, 60,266.97 and 13,530.20 is: 20,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.39 : 60,266.97 = 13,530.20 : x
  2. Step 2: Convert to fraction form
    40,178.39/60,266.97 = 13,530.20/x
  3. Step 3: Cross multiply
    40,178.39x = 60,266.97 × 13,530.20
  4. Step 4: Simplify right side
    40,178.39x = 815,423,856.16
  5. Step 5: Solve for x
    x = 815,423,856.16/40,178.39
  6. Step 6: Final answer
    x = 20,295.09

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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.