Home / 54,975.04-75,865.44-31,101.12

Finding the Fourth Proportional to 54,975.04, 75,865.44 and 31,101.12

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Solution

The fourth proportional to 54,975.04, 75,865.44 and 31,101.12 is: 42,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.04 : 75,865.44 = 31,101.12 : x
  2. Step 2: Convert to fraction form
    54,975.04/75,865.44 = 31,101.12/x
  3. Step 3: Cross multiply
    54,975.04x = 75,865.44 × 31,101.12
  4. Step 4: Simplify right side
    54,975.04x = 2,359,500,153.29
  5. Step 5: Solve for x
    x = 2,359,500,153.29/54,975.04
  6. Step 6: Final answer
    x = 42,919.48

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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.