Home / 30,995.41-42,772.26-17,565.88

Finding the Fourth Proportional to 30,995.41, 42,772.26 and 17,565.88

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Solution

The fourth proportional to 30,995.41, 42,772.26 and 17,565.88 is: 24,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.41 : 42,772.26 = 17,565.88 : x
  2. Step 2: Convert to fraction form
    30,995.41/42,772.26 = 17,565.88/x
  3. Step 3: Cross multiply
    30,995.41x = 42,772.26 × 17,565.88
  4. Step 4: Simplify right side
    30,995.41x = 751,332,386.49
  5. Step 5: Solve for x
    x = 751,332,386.49/30,995.41
  6. Step 6: Final answer
    x = 24,240.12

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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.