Home / 40,148.32-55,396.56-23,149.60

Finding the Fourth Proportional to 40,148.32, 55,396.56 and 23,149.60

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Solution

The fourth proportional to 40,148.32, 55,396.56 and 23,149.60 is: 31,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.32 : 55,396.56 = 23,149.60 : x
  2. Step 2: Convert to fraction form
    40,148.32/55,396.56 = 23,149.60/x
  3. Step 3: Cross multiply
    40,148.32x = 55,396.56 × 23,149.60
  4. Step 4: Simplify right side
    40,148.32x = 1,282,408,205.38
  5. Step 5: Solve for x
    x = 1,282,408,205.38/40,148.32
  6. Step 6: Final answer
    x = 31,941.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.