Home / 54,670.40-75,452.32-30,801.68

Finding the Fourth Proportional to 54,670.40, 75,452.32 and 30,801.68

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Solution

The fourth proportional to 54,670.40, 75,452.32 and 30,801.68 is: 42,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,670.40 : 75,452.32 = 30,801.68 : x
  2. Step 2: Convert to fraction form
    54,670.40/75,452.32 = 30,801.68/x
  3. Step 3: Cross multiply
    54,670.40x = 75,452.32 × 30,801.68
  4. Step 4: Simplify right side
    54,670.40x = 2,324,058,215.90
  5. Step 5: Solve for x
    x = 2,324,058,215.90/54,670.40
  6. Step 6: Final answer
    x = 42,510.36

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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.