Home / 20,537.46-30,805.38-14,279.04

Finding the Fourth Proportional to 20,537.46, 30,805.38 and 14,279.04

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Solution

The fourth proportional to 20,537.46, 30,805.38 and 14,279.04 is: 21,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.46 : 30,805.38 = 14,279.04 : x
  2. Step 2: Convert to fraction form
    20,537.46/30,805.38 = 14,279.04/x
  3. Step 3: Cross multiply
    20,537.46x = 30,805.38 × 14,279.04
  4. Step 4: Simplify right side
    20,537.46x = 439,871,253.24
  5. Step 5: Solve for x
    x = 439,871,253.24/20,537.46
  6. Step 6: Final answer
    x = 21,418.00

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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.