Home / 39,756.52-54,864.42-21,607.24

Finding the Fourth Proportional to 39,756.52, 54,864.42 and 21,607.24

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Solution

The fourth proportional to 39,756.52, 54,864.42 and 21,607.24 is: 29,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,756.52 : 54,864.42 = 21,607.24 : x
  2. Step 2: Convert to fraction form
    39,756.52/54,864.42 = 21,607.24/x
  3. Step 3: Cross multiply
    39,756.52x = 54,864.42 × 21,607.24
  4. Step 4: Simplify right side
    39,756.52x = 1,185,468,553.24
  5. Step 5: Solve for x
    x = 1,185,468,553.24/39,756.52
  6. Step 6: Final answer
    x = 29,818.22

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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.