Home / 54,557.12-75,281.04-30,682.88

Finding the Fourth Proportional to 54,557.12, 75,281.04 and 30,682.88

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Solution

The fourth proportional to 54,557.12, 75,281.04 and 30,682.88 is: 42,338.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,557.12 : 75,281.04 = 30,682.88 : x
  2. Step 2: Convert to fraction form
    54,557.12/75,281.04 = 30,682.88/x
  3. Step 3: Cross multiply
    54,557.12x = 75,281.04 × 30,682.88
  4. Step 4: Simplify right side
    54,557.12x = 2,309,839,116.60
  5. Step 5: Solve for x
    x = 2,309,839,116.60/54,557.12
  6. Step 6: Final answer
    x = 42,338.00

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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.