Home / 54,667.12-75,439.20-30,793.36

Finding the Fourth Proportional to 54,667.12, 75,439.20 and 30,793.36

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Solution

The fourth proportional to 54,667.12, 75,439.20 and 30,793.36 is: 42,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,667.12 : 75,439.20 = 30,793.36 : x
  2. Step 2: Convert to fraction form
    54,667.12/75,439.20 = 30,793.36/x
  3. Step 3: Cross multiply
    54,667.12x = 75,439.20 × 30,793.36
  4. Step 4: Simplify right side
    54,667.12x = 2,323,026,443.71
  5. Step 5: Solve for x
    x = 2,323,026,443.71/54,667.12
  6. Step 6: Final answer
    x = 42,494.03

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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.