Home / 49,089.60-73,634.40-17,920.80

Finding the Fourth Proportional to 49,089.60, 73,634.40 and 17,920.80

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Solution

The fourth proportional to 49,089.60, 73,634.40 and 17,920.80 is: 26,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,089.60 : 73,634.40 = 17,920.80 : x
  2. Step 2: Convert to fraction form
    49,089.60/73,634.40 = 17,920.80/x
  3. Step 3: Cross multiply
    49,089.60x = 73,634.40 × 17,920.80
  4. Step 4: Simplify right side
    49,089.60x = 1,319,587,355.52
  5. Step 5: Solve for x
    x = 1,319,587,355.52/49,089.60
  6. Step 6: Final answer
    x = 26,881.20

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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.