Home / 56,721.32-85,086.30-17,281.80

Finding the Fourth Proportional to 56,721.32, 85,086.30 and 17,281.80

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Solution

The fourth proportional to 56,721.32, 85,086.30 and 17,281.80 is: 25,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.32 : 85,086.30 = 17,281.80 : x
  2. Step 2: Convert to fraction form
    56,721.32/85,086.30 = 17,281.80/x
  3. Step 3: Cross multiply
    56,721.32x = 85,086.30 × 17,281.80
  4. Step 4: Simplify right side
    56,721.32x = 1,470,444,419.34
  5. Step 5: Solve for x
    x = 1,470,444,419.34/56,721.32
  6. Step 6: Final answer
    x = 25,924.02

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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.