Home / 50,143.20-69,195.44-29,988.12

Finding the Fourth Proportional to 50,143.20, 69,195.44 and 29,988.12

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Solution

The fourth proportional to 50,143.20, 69,195.44 and 29,988.12 is: 41,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,143.20 : 69,195.44 = 29,988.12 : x
  2. Step 2: Convert to fraction form
    50,143.20/69,195.44 = 29,988.12/x
  3. Step 3: Cross multiply
    50,143.20x = 69,195.44 × 29,988.12
  4. Step 4: Simplify right side
    50,143.20x = 2,075,041,158.17
  5. Step 5: Solve for x
    x = 2,075,041,158.17/50,143.20
  6. Step 6: Final answer
    x = 41,382.30

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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.