Home / 54,856.32-75,701.16-30,982.92

Finding the Fourth Proportional to 54,856.32, 75,701.16 and 30,982.92

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Solution

The fourth proportional to 54,856.32, 75,701.16 and 30,982.92 is: 42,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.32 : 75,701.16 = 30,982.92 : x
  2. Step 2: Convert to fraction form
    54,856.32/75,701.16 = 30,982.92/x
  3. Step 3: Cross multiply
    54,856.32x = 75,701.16 × 30,982.92
  4. Step 4: Simplify right side
    54,856.32x = 2,345,442,984.19
  5. Step 5: Solve for x
    x = 2,345,442,984.19/54,856.32
  6. Step 6: Final answer
    x = 42,756.11

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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.