Home / 45,238.80-67,808.88-38,645.04

Finding the Fourth Proportional to 45,238.80, 67,808.88 and 38,645.04

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Solution

The fourth proportional to 45,238.80, 67,808.88 and 38,645.04 is: 57,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,238.80 : 67,808.88 = 38,645.04 : x
  2. Step 2: Convert to fraction form
    45,238.80/67,808.88 = 38,645.04/x
  3. Step 3: Cross multiply
    45,238.80x = 67,808.88 × 38,645.04
  4. Step 4: Simplify right side
    45,238.80x = 2,620,476,879.96
  5. Step 5: Solve for x
    x = 2,620,476,879.96/45,238.80
  6. Step 6: Final answer
    x = 57,925.43

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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.