Home / 30,889.32-42,629.91-17,462.97

Finding the Fourth Proportional to 30,889.32, 42,629.91 and 17,462.97

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Solution

The fourth proportional to 30,889.32, 42,629.91 and 17,462.97 is: 24,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889.32 : 42,629.91 = 17,462.97 : x
  2. Step 2: Convert to fraction form
    30,889.32/42,629.91 = 17,462.97/x
  3. Step 3: Cross multiply
    30,889.32x = 42,629.91 × 17,462.97
  4. Step 4: Simplify right side
    30,889.32x = 744,444,839.43
  5. Step 5: Solve for x
    x = 744,444,839.43/30,889.32
  6. Step 6: Final answer
    x = 24,100.40

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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.