Home / 51,972.69-77,959.01-12,529.79

Finding the Fourth Proportional to 51,972.69, 77,959.01 and 12,529.79

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Solution

The fourth proportional to 51,972.69, 77,959.01 and 12,529.79 is: 18,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972.69 : 77,959.01 = 12,529.79 : x
  2. Step 2: Convert to fraction form
    51,972.69/77,959.01 = 12,529.79/x
  3. Step 3: Cross multiply
    51,972.69x = 77,959.01 × 12,529.79
  4. Step 4: Simplify right side
    51,972.69x = 976,809,887.30
  5. Step 5: Solve for x
    x = 976,809,887.30/51,972.69
  6. Step 6: Final answer
    x = 18,794.68

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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.