Home / 67,243.68-92,828.16-38,939.04

Finding the Fourth Proportional to 67,243.68, 92,828.16 and 38,939.04

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Solution

The fourth proportional to 67,243.68, 92,828.16 and 38,939.04 is: 53,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,243.68 : 92,828.16 = 38,939.04 : x
  2. Step 2: Convert to fraction form
    67,243.68/92,828.16 = 38,939.04/x
  3. Step 3: Cross multiply
    67,243.68x = 92,828.16 × 38,939.04
  4. Step 4: Simplify right side
    67,243.68x = 3,614,639,435.37
  5. Step 5: Solve for x
    x = 3,614,639,435.37/67,243.68
  6. Step 6: Final answer
    x = 53,754.34

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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.