Home / 36,177.44-54,252.60-12,478.40

Finding the Fourth Proportional to 36,177.44, 54,252.60 and 12,478.40

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Solution

The fourth proportional to 36,177.44, 54,252.60 and 12,478.40 is: 18,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,177.44 : 54,252.60 = 12,478.40 : x
  2. Step 2: Convert to fraction form
    36,177.44/54,252.60 = 12,478.40/x
  3. Step 3: Cross multiply
    36,177.44x = 54,252.60 × 12,478.40
  4. Step 4: Simplify right side
    36,177.44x = 676,985,643.84
  5. Step 5: Solve for x
    x = 676,985,643.84/36,177.44
  6. Step 6: Final answer
    x = 18,712.92

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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.