Home / 48,168.75-66,450.42-31,178.46

Finding the Fourth Proportional to 48,168.75, 66,450.42 and 31,178.46

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Solution

The fourth proportional to 48,168.75, 66,450.42 and 31,178.46 is: 43,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,168.75 : 66,450.42 = 31,178.46 : x
  2. Step 2: Convert to fraction form
    48,168.75/66,450.42 = 31,178.46/x
  3. Step 3: Cross multiply
    48,168.75x = 66,450.42 × 31,178.46
  4. Step 4: Simplify right side
    48,168.75x = 2,071,821,761.95
  5. Step 5: Solve for x
    x = 2,071,821,761.95/48,168.75
  6. Step 6: Final answer
    x = 43,011.74

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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.