Home / 50,113.01-69,139.68-34,169.78

Finding the Fourth Proportional to 50,113.01, 69,139.68 and 34,169.78

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Solution

The fourth proportional to 50,113.01, 69,139.68 and 34,169.78 is: 47,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,113.01 : 69,139.68 = 34,169.78 : x
  2. Step 2: Convert to fraction form
    50,113.01/69,139.68 = 34,169.78/x
  3. Step 3: Cross multiply
    50,113.01x = 69,139.68 × 34,169.78
  4. Step 4: Simplify right side
    50,113.01x = 2,362,487,181.04
  5. Step 5: Solve for x
    x = 2,362,487,181.04/50,113.01
  6. Step 6: Final answer
    x = 47,143.20

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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.