Home / 36,478.72-54,685.60-14,307.92

Finding the Fourth Proportional to 36,478.72, 54,685.60 and 14,307.92

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Solution

The fourth proportional to 36,478.72, 54,685.60 and 14,307.92 is: 21,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.72 : 54,685.60 = 14,307.92 : x
  2. Step 2: Convert to fraction form
    36,478.72/54,685.60 = 14,307.92/x
  3. Step 3: Cross multiply
    36,478.72x = 54,685.60 × 14,307.92
  4. Step 4: Simplify right side
    36,478.72x = 782,437,189.95
  5. Step 5: Solve for x
    x = 782,437,189.95/36,478.72
  6. Step 6: Final answer
    x = 21,449.14

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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.