Home / 54,844.04-75,684.20-30,971.72

Finding the Fourth Proportional to 54,844.04, 75,684.20 and 30,971.72

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Solution

The fourth proportional to 54,844.04, 75,684.20 and 30,971.72 is: 42,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,844.04 : 75,684.20 = 30,971.72 : x
  2. Step 2: Convert to fraction form
    54,844.04/75,684.20 = 30,971.72/x
  3. Step 3: Cross multiply
    54,844.04x = 75,684.20 × 30,971.72
  4. Step 4: Simplify right side
    54,844.04x = 2,344,069,850.82
  5. Step 5: Solve for x
    x = 2,344,069,850.82/54,844.04
  6. Step 6: Final answer
    x = 42,740.65

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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.