Home / 55,170.32-76,063.88-40,084.88

Finding the Fourth Proportional to 55,170.32, 76,063.88 and 40,084.88

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Solution

The fourth proportional to 55,170.32, 76,063.88 and 40,084.88 is: 55,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.32 : 76,063.88 = 40,084.88 : x
  2. Step 2: Convert to fraction form
    55,170.32/76,063.88 = 40,084.88/x
  3. Step 3: Cross multiply
    55,170.32x = 76,063.88 × 40,084.88
  4. Step 4: Simplify right side
    55,170.32x = 3,049,011,502.13
  5. Step 5: Solve for x
    x = 3,049,011,502.13/55,170.32
  6. Step 6: Final answer
    x = 55,265.43

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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.