Home / 54,785.16-75,604.14-30,912.12

Finding the Fourth Proportional to 54,785.16, 75,604.14 and 30,912.12

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Solution

The fourth proportional to 54,785.16, 75,604.14 and 30,912.12 is: 42,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785.16 : 75,604.14 = 30,912.12 : x
  2. Step 2: Convert to fraction form
    54,785.16/75,604.14 = 30,912.12/x
  3. Step 3: Cross multiply
    54,785.16x = 75,604.14 × 30,912.12
  4. Step 4: Simplify right side
    54,785.16x = 2,337,084,248.18
  5. Step 5: Solve for x
    x = 2,337,084,248.18/54,785.16
  6. Step 6: Final answer
    x = 42,659.07

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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.