Home / 38,083.10-52,554.02-21,087

Finding the Fourth Proportional to 38,083.10, 52,554.02 and 21,087

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Solution

The fourth proportional to 38,083.10, 52,554.02 and 21,087 is: 29,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,083.10 : 52,554.02 = 21,087 : x
  2. Step 2: Convert to fraction form
    38,083.10/52,554.02 = 21,087/x
  3. Step 3: Cross multiply
    38,083.10x = 52,554.02 × 21,087
  4. Step 4: Simplify right side
    38,083.10x = 1,108,206,514.31
  5. Step 5: Solve for x
    x = 1,108,206,514.31/38,083.10
  6. Step 6: Final answer
    x = 29,099.70

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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.