Home / 55,514.21-83,257.43-21,787.07

Finding the Fourth Proportional to 55,514.21, 83,257.43 and 21,787.07

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Solution

The fourth proportional to 55,514.21, 83,257.43 and 21,787.07 is: 32,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514.21 : 83,257.43 = 21,787.07 : x
  2. Step 2: Convert to fraction form
    55,514.21/83,257.43 = 21,787.07/x
  3. Step 3: Cross multiply
    55,514.21x = 83,257.43 × 21,787.07
  4. Step 4: Simplify right side
    55,514.21x = 1,813,935,718.04
  5. Step 5: Solve for x
    x = 1,813,935,718.04/55,514.21
  6. Step 6: Final answer
    x = 32,675.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.