Home / 31,281.50-43,172.63-17,849.68

Finding the Fourth Proportional to 31,281.50, 43,172.63 and 17,849.68

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Solution

The fourth proportional to 31,281.50, 43,172.63 and 17,849.68 is: 24,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.50 : 43,172.63 = 17,849.68 : x
  2. Step 2: Convert to fraction form
    31,281.50/43,172.63 = 17,849.68/x
  3. Step 3: Cross multiply
    31,281.50x = 43,172.63 × 17,849.68
  4. Step 4: Simplify right side
    31,281.50x = 770,617,630.26
  5. Step 5: Solve for x
    x = 770,617,630.26/31,281.50
  6. Step 6: Final answer
    x = 24,634.93

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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.