Home / 39,174.41-54,061.32-22,178.21

Finding the Fourth Proportional to 39,174.41, 54,061.32 and 22,178.21

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Solution

The fourth proportional to 39,174.41, 54,061.32 and 22,178.21 is: 30,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.41 : 54,061.32 = 22,178.21 : x
  2. Step 2: Convert to fraction form
    39,174.41/54,061.32 = 22,178.21/x
  3. Step 3: Cross multiply
    39,174.41x = 54,061.32 × 22,178.21
  4. Step 4: Simplify right side
    39,174.41x = 1,198,983,307.84
  5. Step 5: Solve for x
    x = 1,198,983,307.84/39,174.41
  6. Step 6: Final answer
    x = 30,606.29

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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.