Home / 56,115.72-84,170.28-21,052.44

Finding the Fourth Proportional to 56,115.72, 84,170.28 and 21,052.44

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Solution

The fourth proportional to 56,115.72, 84,170.28 and 21,052.44 is: 31,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,115.72 : 84,170.28 = 21,052.44 : x
  2. Step 2: Convert to fraction form
    56,115.72/84,170.28 = 21,052.44/x
  3. Step 3: Cross multiply
    56,115.72x = 84,170.28 × 21,052.44
  4. Step 4: Simplify right side
    56,115.72x = 1,771,989,769.48
  5. Step 5: Solve for x
    x = 1,771,989,769.48/56,115.72
  6. Step 6: Final answer
    x = 31,577.42

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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.