Home / 38,340.30-57,510.45-12,047.70

Finding the Fourth Proportional to 38,340.30, 57,510.45 and 12,047.70

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Solution

The fourth proportional to 38,340.30, 57,510.45 and 12,047.70 is: 18,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.30 : 57,510.45 = 12,047.70 : x
  2. Step 2: Convert to fraction form
    38,340.30/57,510.45 = 12,047.70/x
  3. Step 3: Cross multiply
    38,340.30x = 57,510.45 × 12,047.70
  4. Step 4: Simplify right side
    38,340.30x = 692,868,648.47
  5. Step 5: Solve for x
    x = 692,868,648.47/38,340.30
  6. Step 6: Final answer
    x = 18,071.55

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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.