Home / 56,981.43-85,497.20-30,321.14

Finding the Fourth Proportional to 56,981.43, 85,497.20 and 30,321.14

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Solution

The fourth proportional to 56,981.43, 85,497.20 and 30,321.14 is: 45,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,981.43 : 85,497.20 = 30,321.14 : x
  2. Step 2: Convert to fraction form
    56,981.43/85,497.20 = 30,321.14/x
  3. Step 3: Cross multiply
    56,981.43x = 85,497.20 × 30,321.14
  4. Step 4: Simplify right side
    56,981.43x = 2,592,372,219.12
  5. Step 5: Solve for x
    x = 2,592,372,219.12/56,981.43
  6. Step 6: Final answer
    x = 45,495.04

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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.