Home / 54,774.24-75,587.22-30,900.30

Finding the Fourth Proportional to 54,774.24, 75,587.22 and 30,900.30

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Solution

The fourth proportional to 54,774.24, 75,587.22 and 30,900.30 is: 42,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,774.24 : 75,587.22 = 30,900.30 : x
  2. Step 2: Convert to fraction form
    54,774.24/75,587.22 = 30,900.30/x
  3. Step 3: Cross multiply
    54,774.24x = 75,587.22 × 30,900.30
  4. Step 4: Simplify right side
    54,774.24x = 2,335,667,774.17
  5. Step 5: Solve for x
    x = 2,335,667,774.17/54,774.24
  6. Step 6: Final answer
    x = 42,641.72

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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.