Home / 50,319.75-75,482.19-12,880.13

Finding the Fourth Proportional to 50,319.75, 75,482.19 and 12,880.13

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Solution

The fourth proportional to 50,319.75, 75,482.19 and 12,880.13 is: 19,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,319.75 : 75,482.19 = 12,880.13 : x
  2. Step 2: Convert to fraction form
    50,319.75/75,482.19 = 12,880.13/x
  3. Step 3: Cross multiply
    50,319.75x = 75,482.19 × 12,880.13
  4. Step 4: Simplify right side
    50,319.75x = 972,220,419.88
  5. Step 5: Solve for x
    x = 972,220,419.88/50,319.75
  6. Step 6: Final answer
    x = 19,320.85

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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.