Home / 54,478.64-75,182.48-30,604.80

Finding the Fourth Proportional to 54,478.64, 75,182.48 and 30,604.80

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Solution

The fourth proportional to 54,478.64, 75,182.48 and 30,604.80 is: 42,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,478.64 : 75,182.48 = 30,604.80 : x
  2. Step 2: Convert to fraction form
    54,478.64/75,182.48 = 30,604.80/x
  3. Step 3: Cross multiply
    54,478.64x = 75,182.48 × 30,604.80
  4. Step 4: Simplify right side
    54,478.64x = 2,300,944,763.90
  5. Step 5: Solve for x
    x = 2,300,944,763.90/54,478.64
  6. Step 6: Final answer
    x = 42,235.72

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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.