Home / 54,816.21-75,648.33-30,947.13

Finding the Fourth Proportional to 54,816.21, 75,648.33 and 30,947.13

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Solution

The fourth proportional to 54,816.21, 75,648.33 and 30,947.13 is: 42,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,816.21 : 75,648.33 = 30,947.13 : x
  2. Step 2: Convert to fraction form
    54,816.21/75,648.33 = 30,947.13/x
  3. Step 3: Cross multiply
    54,816.21x = 75,648.33 × 30,947.13
  4. Step 4: Simplify right side
    54,816.21x = 2,341,098,702.79
  5. Step 5: Solve for x
    x = 2,341,098,702.79/54,816.21
  6. Step 6: Final answer
    x = 42,708.15

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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.