Home / 40,199.91-60,257.33-13,520.50

Finding the Fourth Proportional to 40,199.91, 60,257.33 and 13,520.50

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Solution

The fourth proportional to 40,199.91, 60,257.33 and 13,520.50 is: 20,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.91 : 60,257.33 = 13,520.50 : x
  2. Step 2: Convert to fraction form
    40,199.91/60,257.33 = 13,520.50/x
  3. Step 3: Cross multiply
    40,199.91x = 60,257.33 × 13,520.50
  4. Step 4: Simplify right side
    40,199.91x = 814,709,363.64
  5. Step 5: Solve for x
    x = 814,709,363.64/40,199.91
  6. Step 6: Final answer
    x = 20,266.45

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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.