Home / 51,568.16-77,279.27-21,956.18

Finding the Fourth Proportional to 51,568.16, 77,279.27 and 21,956.18

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Solution

The fourth proportional to 51,568.16, 77,279.27 and 21,956.18 is: 32,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,568.16 : 77,279.27 = 21,956.18 : x
  2. Step 2: Convert to fraction form
    51,568.16/77,279.27 = 21,956.18/x
  3. Step 3: Cross multiply
    51,568.16x = 77,279.27 × 21,956.18
  4. Step 4: Simplify right side
    51,568.16x = 1,696,757,066.21
  5. Step 5: Solve for x
    x = 1,696,757,066.21/51,568.16
  6. Step 6: Final answer
    x = 32,903.20

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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.