Home / 56,079.72-84,116.28-21,016.44

Finding the Fourth Proportional to 56,079.72, 84,116.28 and 21,016.44

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Solution

The fourth proportional to 56,079.72, 84,116.28 and 21,016.44 is: 31,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,079.72 : 84,116.28 = 21,016.44 : x
  2. Step 2: Convert to fraction form
    56,079.72/84,116.28 = 21,016.44/x
  3. Step 3: Cross multiply
    56,079.72x = 84,116.28 × 21,016.44
  4. Step 4: Simplify right side
    56,079.72x = 1,767,824,751.64
  5. Step 5: Solve for x
    x = 1,767,824,751.64/56,079.72
  6. Step 6: Final answer
    x = 31,523.42

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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.