Home / 39,223.44-54,127.98-21,318.93

Finding the Fourth Proportional to 39,223.44, 54,127.98 and 21,318.93

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Solution

The fourth proportional to 39,223.44, 54,127.98 and 21,318.93 is: 29,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,223.44 : 54,127.98 = 21,318.93 : x
  2. Step 2: Convert to fraction form
    39,223.44/54,127.98 = 21,318.93/x
  3. Step 3: Cross multiply
    39,223.44x = 54,127.98 × 21,318.93
  4. Step 4: Simplify right side
    39,223.44x = 1,153,950,616.66
  5. Step 5: Solve for x
    x = 1,153,950,616.66/39,223.44
  6. Step 6: Final answer
    x = 29,419.92

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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.