Home / 54,739.44-75,531.12-30,535.20

Finding the Fourth Proportional to 54,739.44, 75,531.12 and 30,535.20

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Solution

The fourth proportional to 54,739.44, 75,531.12 and 30,535.20 is: 42,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,739.44 : 75,531.12 = 30,535.20 : x
  2. Step 2: Convert to fraction form
    54,739.44/75,531.12 = 30,535.20/x
  3. Step 3: Cross multiply
    54,739.44x = 75,531.12 × 30,535.20
  4. Step 4: Simplify right side
    54,739.44x = 2,306,357,855.42
  5. Step 5: Solve for x
    x = 2,306,357,855.42/54,739.44
  6. Step 6: Final answer
    x = 42,133.38

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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.