Home / 54,757.10-75,547.10-30,554.15

Finding the Fourth Proportional to 54,757.10, 75,547.10 and 30,554.15

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Solution

The fourth proportional to 54,757.10, 75,547.10 and 30,554.15 is: 42,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,757.10 : 75,547.10 = 30,554.15 : x
  2. Step 2: Convert to fraction form
    54,757.10/75,547.10 = 30,554.15/x
  3. Step 3: Cross multiply
    54,757.10x = 75,547.10 × 30,554.15
  4. Step 4: Simplify right side
    54,757.10x = 2,308,277,690.72
  5. Step 5: Solve for x
    x = 2,308,277,690.72/54,757.10
  6. Step 6: Final answer
    x = 42,154.85

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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.