Home / 30,891.66-42,630.25-17,465.56

Finding the Fourth Proportional to 30,891.66, 42,630.25 and 17,465.56

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Solution

The fourth proportional to 30,891.66, 42,630.25 and 17,465.56 is: 24,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.66 : 42,630.25 = 17,465.56 : x
  2. Step 2: Convert to fraction form
    30,891.66/42,630.25 = 17,465.56/x
  3. Step 3: Cross multiply
    30,891.66x = 42,630.25 × 17,465.56
  4. Step 4: Simplify right side
    30,891.66x = 744,561,071.70
  5. Step 5: Solve for x
    x = 744,561,071.70/30,891.66
  6. Step 6: Final answer
    x = 24,102.33

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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.