Home / 54,570.28-75,306.30-30,697.12

Finding the Fourth Proportional to 54,570.28, 75,306.30 and 30,697.12

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Solution

The fourth proportional to 54,570.28, 75,306.30 and 30,697.12 is: 42,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,570.28 : 75,306.30 = 30,697.12 : x
  2. Step 2: Convert to fraction form
    54,570.28/75,306.30 = 30,697.12/x
  3. Step 3: Cross multiply
    54,570.28x = 75,306.30 × 30,697.12
  4. Step 4: Simplify right side
    54,570.28x = 2,311,686,527.86
  5. Step 5: Solve for x
    x = 2,311,686,527.86/54,570.28
  6. Step 6: Final answer
    x = 42,361.64

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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.