Home / 54,820.13-75,650.96-30,621.43

Finding the Fourth Proportional to 54,820.13, 75,650.96 and 30,621.43

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Solution

The fourth proportional to 54,820.13, 75,650.96 and 30,621.43 is: 42,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.13 : 75,650.96 = 30,621.43 : x
  2. Step 2: Convert to fraction form
    54,820.13/75,650.96 = 30,621.43/x
  3. Step 3: Cross multiply
    54,820.13x = 75,650.96 × 30,621.43
  4. Step 4: Simplify right side
    54,820.13x = 2,316,540,044.71
  5. Step 5: Solve for x
    x = 2,316,540,044.71/54,820.13
  6. Step 6: Final answer
    x = 42,257.11

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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.