Home / 54,715.28-75,502.56-30,847.82

Finding the Fourth Proportional to 54,715.28, 75,502.56 and 30,847.82

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Solution

The fourth proportional to 54,715.28, 75,502.56 and 30,847.82 is: 42,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,715.28 : 75,502.56 = 30,847.82 : x
  2. Step 2: Convert to fraction form
    54,715.28/75,502.56 = 30,847.82/x
  3. Step 3: Cross multiply
    54,715.28x = 75,502.56 × 30,847.82
  4. Step 4: Simplify right side
    54,715.28x = 2,329,088,848.67
  5. Step 5: Solve for x
    x = 2,329,088,848.67/54,715.28
  6. Step 6: Final answer
    x = 42,567.43

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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.