Home / 40,223.59-55,507.70-22,318.21

Finding the Fourth Proportional to 40,223.59, 55,507.70 and 22,318.21

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Solution

The fourth proportional to 40,223.59, 55,507.70 and 22,318.21 is: 30,798.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223.59 : 55,507.70 = 22,318.21 : x
  2. Step 2: Convert to fraction form
    40,223.59/55,507.70 = 22,318.21/x
  3. Step 3: Cross multiply
    40,223.59x = 55,507.70 × 22,318.21
  4. Step 4: Simplify right side
    40,223.59x = 1,238,832,505.22
  5. Step 5: Solve for x
    x = 1,238,832,505.22/40,223.59
  6. Step 6: Final answer
    x = 30,798.66

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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.