Home / 31,450.95-43,397.37-18,019.62

Finding the Fourth Proportional to 31,450.95, 43,397.37 and 18,019.62

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Solution

The fourth proportional to 31,450.95, 43,397.37 and 18,019.62 is: 24,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450.95 : 43,397.37 = 18,019.62 : x
  2. Step 2: Convert to fraction form
    31,450.95/43,397.37 = 18,019.62/x
  3. Step 3: Cross multiply
    31,450.95x = 43,397.37 × 18,019.62
  4. Step 4: Simplify right side
    31,450.95x = 782,004,116.40
  5. Step 5: Solve for x
    x = 782,004,116.40/31,450.95
  6. Step 6: Final answer
    x = 24,864.24

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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.