Home / 54,401.86-75,079.96-30,528.63

Finding the Fourth Proportional to 54,401.86, 75,079.96 and 30,528.63

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Solution

The fourth proportional to 54,401.86, 75,079.96 and 30,528.63 is: 42,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.86 : 75,079.96 = 30,528.63 : x
  2. Step 2: Convert to fraction form
    54,401.86/75,079.96 = 30,528.63/x
  3. Step 3: Cross multiply
    54,401.86x = 75,079.96 × 30,528.63
  4. Step 4: Simplify right side
    54,401.86x = 2,292,088,414.66
  5. Step 5: Solve for x
    x = 2,292,088,414.66/54,401.86
  6. Step 6: Final answer
    x = 42,132.54

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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.