Home / 30,853.28-42,581.40-17,425.16

Finding the Fourth Proportional to 30,853.28, 42,581.40 and 17,425.16

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Solution

The fourth proportional to 30,853.28, 42,581.40 and 17,425.16 is: 24,048.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853.28 : 42,581.40 = 17,425.16 : x
  2. Step 2: Convert to fraction form
    30,853.28/42,581.40 = 17,425.16/x
  3. Step 3: Cross multiply
    30,853.28x = 42,581.40 × 17,425.16
  4. Step 4: Simplify right side
    30,853.28x = 741,987,708.02
  5. Step 5: Solve for x
    x = 741,987,708.02/30,853.28
  6. Step 6: Final answer
    x = 24,048.91

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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.