Home / 41,909.40-57,812.40-28,480.68

Finding the Fourth Proportional to 41,909.40, 57,812.40 and 28,480.68

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Solution

The fourth proportional to 41,909.40, 57,812.40 and 28,480.68 is: 39,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,909.40 : 57,812.40 = 28,480.68 : x
  2. Step 2: Convert to fraction form
    41,909.40/57,812.40 = 28,480.68/x
  3. Step 3: Cross multiply
    41,909.40x = 57,812.40 × 28,480.68
  4. Step 4: Simplify right side
    41,909.40x = 1,646,536,464.43
  5. Step 5: Solve for x
    x = 1,646,536,464.43/41,909.40
  6. Step 6: Final answer
    x = 39,288.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.