Home / 38,341.60-57,512.40-12,046.30

Finding the Fourth Proportional to 38,341.60, 57,512.40 and 12,046.30

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Solution

The fourth proportional to 38,341.60, 57,512.40 and 12,046.30 is: 18,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.60 : 57,512.40 = 12,046.30 : x
  2. Step 2: Convert to fraction form
    38,341.60/57,512.40 = 12,046.30/x
  3. Step 3: Cross multiply
    38,341.60x = 57,512.40 × 12,046.30
  4. Step 4: Simplify right side
    38,341.60x = 692,811,624.12
  5. Step 5: Solve for x
    x = 692,811,624.12/38,341.60
  6. Step 6: Final answer
    x = 18,069.45

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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.