Home / 30,568.38-42,185.46-17,829.72

Finding the Fourth Proportional to 30,568.38, 42,185.46 and 17,829.72

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Solution

The fourth proportional to 30,568.38, 42,185.46 and 17,829.72 is: 24,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.38 : 42,185.46 = 17,829.72 : x
  2. Step 2: Convert to fraction form
    30,568.38/42,185.46 = 17,829.72/x
  3. Step 3: Cross multiply
    30,568.38x = 42,185.46 × 17,829.72
  4. Step 4: Simplify right side
    30,568.38x = 752,154,939.87
  5. Step 5: Solve for x
    x = 752,154,939.87/30,568.38
  6. Step 6: Final answer
    x = 24,605.65

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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.