Home / 38,340.60-57,510.90-12,045.30

Finding the Fourth Proportional to 38,340.60, 57,510.90 and 12,045.30

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Solution

The fourth proportional to 38,340.60, 57,510.90 and 12,045.30 is: 18,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.60 : 57,510.90 = 12,045.30 : x
  2. Step 2: Convert to fraction form
    38,340.60/57,510.90 = 12,045.30/x
  3. Step 3: Cross multiply
    38,340.60x = 57,510.90 × 12,045.30
  4. Step 4: Simplify right side
    38,340.60x = 692,736,043.77
  5. Step 5: Solve for x
    x = 692,736,043.77/38,340.60
  6. Step 6: Final answer
    x = 18,067.95

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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.