Home / 40,222.31-55,507.70-22,316.65

Finding the Fourth Proportional to 40,222.31, 55,507.70 and 22,316.65

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Solution

The fourth proportional to 40,222.31, 55,507.70 and 22,316.65 is: 30,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,222.31 : 55,507.70 = 22,316.65 : x
  2. Step 2: Convert to fraction form
    40,222.31/55,507.70 = 22,316.65/x
  3. Step 3: Cross multiply
    40,222.31x = 55,507.70 × 22,316.65
  4. Step 4: Simplify right side
    40,222.31x = 1,238,745,913.21
  5. Step 5: Solve for x
    x = 1,238,745,913.21/40,222.31
  6. Step 6: Final answer
    x = 30,797.48

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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.