Home / 49,600.28-74,398.86-12,160.46

Finding the Fourth Proportional to 49,600.28, 74,398.86 and 12,160.46

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Solution

The fourth proportional to 49,600.28, 74,398.86 and 12,160.46 is: 18,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,600.28 : 74,398.86 = 12,160.46 : x
  2. Step 2: Convert to fraction form
    49,600.28/74,398.86 = 12,160.46/x
  3. Step 3: Cross multiply
    49,600.28x = 74,398.86 × 12,160.46
  4. Step 4: Simplify right side
    49,600.28x = 904,724,361.08
  5. Step 5: Solve for x
    x = 904,724,361.08/49,600.28
  6. Step 6: Final answer
    x = 18,240.31

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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.