Home / 39,927.64-55,097.78-22,022.68

Finding the Fourth Proportional to 39,927.64, 55,097.78 and 22,022.68

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Solution

The fourth proportional to 39,927.64, 55,097.78 and 22,022.68 is: 30,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927.64 : 55,097.78 = 22,022.68 : x
  2. Step 2: Convert to fraction form
    39,927.64/55,097.78 = 22,022.68/x
  3. Step 3: Cross multiply
    39,927.64x = 55,097.78 × 22,022.68
  4. Step 4: Simplify right side
    39,927.64x = 1,213,400,777.65
  5. Step 5: Solve for x
    x = 1,213,400,777.65/39,927.64
  6. Step 6: Final answer
    x = 30,389.99

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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.