Home / 36,005.36-49,686.98-19,872.80

Finding the Fourth Proportional to 36,005.36, 49,686.98 and 19,872.80

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Solution

The fourth proportional to 36,005.36, 49,686.98 and 19,872.80 is: 27,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.36 : 49,686.98 = 19,872.80 : x
  2. Step 2: Convert to fraction form
    36,005.36/49,686.98 = 19,872.80/x
  3. Step 3: Cross multiply
    36,005.36x = 49,686.98 × 19,872.80
  4. Step 4: Simplify right side
    36,005.36x = 987,419,068.35
  5. Step 5: Solve for x
    x = 987,419,068.35/36,005.36
  6. Step 6: Final answer
    x = 27,424.22

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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.