Home / 40,214.10-55,499.40-22,309.14

Finding the Fourth Proportional to 40,214.10, 55,499.40 and 22,309.14

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Solution

The fourth proportional to 40,214.10, 55,499.40 and 22,309.14 is: 30,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,214.10 : 55,499.40 = 22,309.14 : x
  2. Step 2: Convert to fraction form
    40,214.10/55,499.40 = 22,309.14/x
  3. Step 3: Cross multiply
    40,214.10x = 55,499.40 × 22,309.14
  4. Step 4: Simplify right side
    40,214.10x = 1,238,143,884.52
  5. Step 5: Solve for x
    x = 1,238,143,884.52/40,214.10
  6. Step 6: Final answer
    x = 30,788.80

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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.