Home / 54,381.16-75,044.82-30,507.40

Finding the Fourth Proportional to 54,381.16, 75,044.82 and 30,507.40

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Solution

The fourth proportional to 54,381.16, 75,044.82 and 30,507.40 is: 42,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,381.16 : 75,044.82 = 30,507.40 : x
  2. Step 2: Convert to fraction form
    54,381.16/75,044.82 = 30,507.40/x
  3. Step 3: Cross multiply
    54,381.16x = 75,044.82 × 30,507.40
  4. Step 4: Simplify right side
    54,381.16x = 2,289,422,341.67
  5. Step 5: Solve for x
    x = 2,289,422,341.67/54,381.16
  6. Step 6: Final answer
    x = 42,099.55

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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.