Home / 56,586.25-84,881.13-21,056.41

Finding the Fourth Proportional to 56,586.25, 84,881.13 and 21,056.41

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Solution

The fourth proportional to 56,586.25, 84,881.13 and 21,056.41 is: 31,585.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,586.25 : 84,881.13 = 21,056.41 : x
  2. Step 2: Convert to fraction form
    56,586.25/84,881.13 = 21,056.41/x
  3. Step 3: Cross multiply
    56,586.25x = 84,881.13 × 21,056.41
  4. Step 4: Simplify right side
    56,586.25x = 1,787,291,874.54
  5. Step 5: Solve for x
    x = 1,787,291,874.54/56,586.25
  6. Step 6: Final answer
    x = 31,585.27

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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.