Home / 38,542.04-57,765.72-21,915.98

Finding the Fourth Proportional to 38,542.04, 57,765.72 and 21,915.98

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Solution

The fourth proportional to 38,542.04, 57,765.72 and 21,915.98 is: 32,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,542.04 : 57,765.72 = 21,915.98 : x
  2. Step 2: Convert to fraction form
    38,542.04/57,765.72 = 21,915.98/x
  3. Step 3: Cross multiply
    38,542.04x = 57,765.72 × 21,915.98
  4. Step 4: Simplify right side
    38,542.04x = 1,265,992,364.21
  5. Step 5: Solve for x
    x = 1,265,992,364.21/38,542.04
  6. Step 6: Final answer
    x = 32,847.05

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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.