Home / 54,607.35-75,348.09-30,728.96

Finding the Fourth Proportional to 54,607.35, 75,348.09 and 30,728.96

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Solution

The fourth proportional to 54,607.35, 75,348.09 and 30,728.96 is: 42,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,607.35 : 75,348.09 = 30,728.96 : x
  2. Step 2: Convert to fraction form
    54,607.35/75,348.09 = 30,728.96/x
  3. Step 3: Cross multiply
    54,607.35x = 75,348.09 × 30,728.96
  4. Step 4: Simplify right side
    54,607.35x = 2,315,368,443.69
  5. Step 5: Solve for x
    x = 2,315,368,443.69/54,607.35
  6. Step 6: Final answer
    x = 42,400.31

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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.