Home / 31,626.68-43,643.08-17,478.68

Finding the Fourth Proportional to 31,626.68, 43,643.08 and 17,478.68

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Solution

The fourth proportional to 31,626.68, 43,643.08 and 17,478.68 is: 24,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.68 : 43,643.08 = 17,478.68 : x
  2. Step 2: Convert to fraction form
    31,626.68/43,643.08 = 17,478.68/x
  3. Step 3: Cross multiply
    31,626.68x = 43,643.08 × 17,478.68
  4. Step 4: Simplify right side
    31,626.68x = 762,823,429.53
  5. Step 5: Solve for x
    x = 762,823,429.53/31,626.68
  6. Step 6: Final answer
    x = 24,119.62

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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.