Home / 30,823.38-42,536.25-17,397.45

Finding the Fourth Proportional to 30,823.38, 42,536.25 and 17,397.45

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Solution

The fourth proportional to 30,823.38, 42,536.25 and 17,397.45 is: 24,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823.38 : 42,536.25 = 17,397.45 : x
  2. Step 2: Convert to fraction form
    30,823.38/42,536.25 = 17,397.45/x
  3. Step 3: Cross multiply
    30,823.38x = 42,536.25 × 17,397.45
  4. Step 4: Simplify right side
    30,823.38x = 740,022,282.56
  5. Step 5: Solve for x
    x = 740,022,282.56/30,823.38
  6. Step 6: Final answer
    x = 24,008.47

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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.