Home / 54,432.03-75,110.40-30,561.33

Finding the Fourth Proportional to 54,432.03, 75,110.40 and 30,561.33

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Solution

The fourth proportional to 54,432.03, 75,110.40 and 30,561.33 is: 42,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432.03 : 75,110.40 = 30,561.33 : x
  2. Step 2: Convert to fraction form
    54,432.03/75,110.40 = 30,561.33/x
  3. Step 3: Cross multiply
    54,432.03x = 75,110.40 × 30,561.33
  4. Step 4: Simplify right side
    54,432.03x = 2,295,473,720.83
  5. Step 5: Solve for x
    x = 2,295,473,720.83/54,432.03
  6. Step 6: Final answer
    x = 42,171.38

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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.