Home / 54,595.28-75,341.45-30,721.97

Finding the Fourth Proportional to 54,595.28, 75,341.45 and 30,721.97

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Solution

The fourth proportional to 54,595.28, 75,341.45 and 30,721.97 is: 42,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,595.28 : 75,341.45 = 30,721.97 : x
  2. Step 2: Convert to fraction form
    54,595.28/75,341.45 = 30,721.97/x
  3. Step 3: Cross multiply
    54,595.28x = 75,341.45 × 30,721.97
  4. Step 4: Simplify right side
    54,595.28x = 2,314,638,049.19
  5. Step 5: Solve for x
    x = 2,314,638,049.19/54,595.28
  6. Step 6: Final answer
    x = 42,396.30

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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.