Home / 51,416.57-77,132.96-21,834.56

Finding the Fourth Proportional to 51,416.57, 77,132.96 and 21,834.56

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Solution

The fourth proportional to 51,416.57, 77,132.96 and 21,834.56 is: 32,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416.57 : 77,132.96 = 21,834.56 : x
  2. Step 2: Convert to fraction form
    51,416.57/77,132.96 = 21,834.56/x
  3. Step 3: Cross multiply
    51,416.57x = 77,132.96 × 21,834.56
  4. Step 4: Simplify right side
    51,416.57x = 1,684,164,408.64
  5. Step 5: Solve for x
    x = 1,684,164,408.64/51,416.57
  6. Step 6: Final answer
    x = 32,755.28

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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.