Home / 54,170.30-74,762.06-30,301.92

Finding the Fourth Proportional to 54,170.30, 74,762.06 and 30,301.92

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Solution

The fourth proportional to 54,170.30, 74,762.06 and 30,301.92 is: 41,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,170.30 : 74,762.06 = 30,301.92 : x
  2. Step 2: Convert to fraction form
    54,170.30/74,762.06 = 30,301.92/x
  3. Step 3: Cross multiply
    54,170.30x = 74,762.06 × 30,301.92
  4. Step 4: Simplify right side
    54,170.30x = 2,265,433,809.65
  5. Step 5: Solve for x
    x = 2,265,433,809.65/54,170.30
  6. Step 6: Final answer
    x = 41,820.59

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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.