Home / 38,400.56-57,599.20-12,124.16

Finding the Fourth Proportional to 38,400.56, 57,599.20 and 12,124.16

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Solution

The fourth proportional to 38,400.56, 57,599.20 and 12,124.16 is: 18,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.56 : 57,599.20 = 12,124.16 : x
  2. Step 2: Convert to fraction form
    38,400.56/57,599.20 = 12,124.16/x
  3. Step 3: Cross multiply
    38,400.56x = 57,599.20 × 12,124.16
  4. Step 4: Simplify right side
    38,400.56x = 698,341,916.67
  5. Step 5: Solve for x
    x = 698,341,916.67/38,400.56
  6. Step 6: Final answer
    x = 18,185.72

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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.