Home / 40,099.32-60,130.08-12,008.52

Finding the Fourth Proportional to 40,099.32, 60,130.08 and 12,008.52

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Solution

The fourth proportional to 40,099.32, 60,130.08 and 12,008.52 is: 18,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099.32 : 60,130.08 = 12,008.52 : x
  2. Step 2: Convert to fraction form
    40,099.32/60,130.08 = 12,008.52/x
  3. Step 3: Cross multiply
    40,099.32x = 60,130.08 × 12,008.52
  4. Step 4: Simplify right side
    40,099.32x = 722,073,268.28
  5. Step 5: Solve for x
    x = 722,073,268.28/40,099.32
  6. Step 6: Final answer
    x = 18,007.12

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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.