Home / 54,591.45-75,335.72-30,717.65

Finding the Fourth Proportional to 54,591.45, 75,335.72 and 30,717.65

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Solution

The fourth proportional to 54,591.45, 75,335.72 and 30,717.65 is: 42,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.45 : 75,335.72 = 30,717.65 : x
  2. Step 2: Convert to fraction form
    54,591.45/75,335.72 = 30,717.65/x
  3. Step 3: Cross multiply
    54,591.45x = 75,335.72 × 30,717.65
  4. Step 4: Simplify right side
    54,591.45x = 2,314,135,749.19
  5. Step 5: Solve for x
    x = 2,314,135,749.19/54,591.45
  6. Step 6: Final answer
    x = 42,390.08

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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.