Home / 38,571.60-57,854.97-12,295.20

Finding the Fourth Proportional to 38,571.60, 57,854.97 and 12,295.20

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Solution

The fourth proportional to 38,571.60, 57,854.97 and 12,295.20 is: 18,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,571.60 : 57,854.97 = 12,295.20 : x
  2. Step 2: Convert to fraction form
    38,571.60/57,854.97 = 12,295.20/x
  3. Step 3: Cross multiply
    38,571.60x = 57,854.97 × 12,295.20
  4. Step 4: Simplify right side
    38,571.60x = 711,338,427.14
  5. Step 5: Solve for x
    x = 711,338,427.14/38,571.60
  6. Step 6: Final answer
    x = 18,442.03

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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.