Home / 43,988.57-65,929.97-20,263.50

Finding the Fourth Proportional to 43,988.57, 65,929.97 and 20,263.50

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Solution

The fourth proportional to 43,988.57, 65,929.97 and 20,263.50 is: 30,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,988.57 : 65,929.97 = 20,263.50 : x
  2. Step 2: Convert to fraction form
    43,988.57/65,929.97 = 20,263.50/x
  3. Step 3: Cross multiply
    43,988.57x = 65,929.97 × 20,263.50
  4. Step 4: Simplify right side
    43,988.57x = 1,335,971,845.78
  5. Step 5: Solve for x
    x = 1,335,971,845.78/43,988.57
  6. Step 6: Final answer
    x = 30,370.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.