Home / 51,717.34-77,574.45-14,279.69

Finding the Fourth Proportional to 51,717.34, 77,574.45 and 14,279.69

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Solution

The fourth proportional to 51,717.34, 77,574.45 and 14,279.69 is: 21,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,717.34 : 77,574.45 = 14,279.69 : x
  2. Step 2: Convert to fraction form
    51,717.34/77,574.45 = 14,279.69/x
  3. Step 3: Cross multiply
    51,717.34x = 77,574.45 × 14,279.69
  4. Step 4: Simplify right side
    51,717.34x = 1,107,739,097.92
  5. Step 5: Solve for x
    x = 1,107,739,097.92/51,717.34
  6. Step 6: Final answer
    x = 21,419.11

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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.