Home / 38,211.36-52,732.16-21,444

Finding the Fourth Proportional to 38,211.36, 52,732.16 and 21,444

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Solution

The fourth proportional to 38,211.36, 52,732.16 and 21,444 is: 29,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211.36 : 52,732.16 = 21,444 : x
  2. Step 2: Convert to fraction form
    38,211.36/52,732.16 = 21,444/x
  3. Step 3: Cross multiply
    38,211.36x = 52,732.16 × 21,444
  4. Step 4: Simplify right side
    38,211.36x = 1,130,788,439.04
  5. Step 5: Solve for x
    x = 1,130,788,439.04/38,211.36
  6. Step 6: Final answer
    x = 29,592.99

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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.