Home / 50,007.90-75,019.31-18,415.53

Finding the Fourth Proportional to 50,007.90, 75,019.31 and 18,415.53

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Solution

The fourth proportional to 50,007.90, 75,019.31 and 18,415.53 is: 27,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,007.90 : 75,019.31 = 18,415.53 : x
  2. Step 2: Convert to fraction form
    50,007.90/75,019.31 = 18,415.53/x
  3. Step 3: Cross multiply
    50,007.90x = 75,019.31 × 18,415.53
  4. Step 4: Simplify right side
    50,007.90x = 1,381,520,279.07
  5. Step 5: Solve for x
    x = 1,381,520,279.07/50,007.90
  6. Step 6: Final answer
    x = 27,626.04

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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.