Home / 50,259.20-75,417.60-19,116.80

Finding the Fourth Proportional to 50,259.20, 75,417.60 and 19,116.80

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Solution

The fourth proportional to 50,259.20, 75,417.60 and 19,116.80 is: 28,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,259.20 : 75,417.60 = 19,116.80 : x
  2. Step 2: Convert to fraction form
    50,259.20/75,417.60 = 19,116.80/x
  3. Step 3: Cross multiply
    50,259.20x = 75,417.60 × 19,116.80
  4. Step 4: Simplify right side
    50,259.20x = 1,441,743,175.68
  5. Step 5: Solve for x
    x = 1,441,743,175.68/50,259.20
  6. Step 6: Final answer
    x = 28,686.15

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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.