Home / 40,499.40-60,748.74-10,914.78

Finding the Fourth Proportional to 40,499.40, 60,748.74 and 10,914.78

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Solution

The fourth proportional to 40,499.40, 60,748.74 and 10,914.78 is: 16,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,499.40 : 60,748.74 = 10,914.78 : x
  2. Step 2: Convert to fraction form
    40,499.40/60,748.74 = 10,914.78/x
  3. Step 3: Cross multiply
    40,499.40x = 60,748.74 × 10,914.78
  4. Step 4: Simplify right side
    40,499.40x = 663,059,132.38
  5. Step 5: Solve for x
    x = 663,059,132.38/40,499.40
  6. Step 6: Final answer
    x = 16,372.07

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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.