Home / 55,599.36-76,727.88-30,449.04

Finding the Fourth Proportional to 55,599.36, 76,727.88 and 30,449.04

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Solution

The fourth proportional to 55,599.36, 76,727.88 and 30,449.04 is: 42,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,599.36 : 76,727.88 = 30,449.04 : x
  2. Step 2: Convert to fraction form
    55,599.36/76,727.88 = 30,449.04/x
  3. Step 3: Cross multiply
    55,599.36x = 76,727.88 × 30,449.04
  4. Step 4: Simplify right side
    55,599.36x = 2,336,290,287.24
  5. Step 5: Solve for x
    x = 2,336,290,287.24/55,599.36
  6. Step 6: Final answer
    x = 42,020.09

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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.