Home / 38,340.75-57,520.26-12,045.48

Finding the Fourth Proportional to 38,340.75, 57,520.26 and 12,045.48

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Solution

The fourth proportional to 38,340.75, 57,520.26 and 12,045.48 is: 18,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.75 : 57,520.26 = 12,045.48 : x
  2. Step 2: Convert to fraction form
    38,340.75/57,520.26 = 12,045.48/x
  3. Step 3: Cross multiply
    38,340.75x = 57,520.26 × 12,045.48
  4. Step 4: Simplify right side
    38,340.75x = 692,859,141.42
  5. Step 5: Solve for x
    x = 692,859,141.42/38,340.75
  6. Step 6: Final answer
    x = 18,071.09

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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.