Home / 38,601.28-57,900.84-12,307.60

Finding the Fourth Proportional to 38,601.28, 57,900.84 and 12,307.60

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Solution

The fourth proportional to 38,601.28, 57,900.84 and 12,307.60 is: 18,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601.28 : 57,900.84 = 12,307.60 : x
  2. Step 2: Convert to fraction form
    38,601.28/57,900.84 = 12,307.60/x
  3. Step 3: Cross multiply
    38,601.28x = 57,900.84 × 12,307.60
  4. Step 4: Simplify right side
    38,601.28x = 712,620,378.38
  5. Step 5: Solve for x
    x = 712,620,378.38/38,601.28
  6. Step 6: Final answer
    x = 18,461.06

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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.