Home / 40,099.34-60,140.24-13,449.08

Finding the Fourth Proportional to 40,099.34, 60,140.24 and 13,449.08

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Solution

The fourth proportional to 40,099.34, 60,140.24 and 13,449.08 is: 20,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099.34 : 60,140.24 = 13,449.08 : x
  2. Step 2: Convert to fraction form
    40,099.34/60,140.24 = 13,449.08/x
  3. Step 3: Cross multiply
    40,099.34x = 60,140.24 × 13,449.08
  4. Step 4: Simplify right side
    40,099.34x = 808,830,898.98
  5. Step 5: Solve for x
    x = 808,830,898.98/40,099.34
  6. Step 6: Final answer
    x = 20,170.68

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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.