Home / 49,142.28-67,816.38-28,999.38

Finding the Fourth Proportional to 49,142.28, 67,816.38 and 28,999.38

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Solution

The fourth proportional to 49,142.28, 67,816.38 and 28,999.38 is: 40,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,142.28 : 67,816.38 = 28,999.38 : x
  2. Step 2: Convert to fraction form
    49,142.28/67,816.38 = 28,999.38/x
  3. Step 3: Cross multiply
    49,142.28x = 67,816.38 × 28,999.38
  4. Step 4: Simplify right side
    49,142.28x = 1,966,632,973.84
  5. Step 5: Solve for x
    x = 1,966,632,973.84/49,142.28
  6. Step 6: Final answer
    x = 40,019.16

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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.