Home / 40,307.09-55,620.68-22,401.03

Finding the Fourth Proportional to 40,307.09, 55,620.68 and 22,401.03

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Solution

The fourth proportional to 40,307.09, 55,620.68 and 22,401.03 is: 30,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307.09 : 55,620.68 = 22,401.03 : x
  2. Step 2: Convert to fraction form
    40,307.09/55,620.68 = 22,401.03/x
  3. Step 3: Cross multiply
    40,307.09x = 55,620.68 × 22,401.03
  4. Step 4: Simplify right side
    40,307.09x = 1,245,960,521.30
  5. Step 5: Solve for x
    x = 1,245,960,521.30/40,307.09
  6. Step 6: Final answer
    x = 30,911.70

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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.