Home / 31,749.94-43,715.14-26,959.78

Finding the Fourth Proportional to 31,749.94, 43,715.14 and 26,959.78

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Solution

The fourth proportional to 31,749.94, 43,715.14 and 26,959.78 is: 37,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,749.94 : 43,715.14 = 26,959.78 : x
  2. Step 2: Convert to fraction form
    31,749.94/43,715.14 = 26,959.78/x
  3. Step 3: Cross multiply
    31,749.94x = 43,715.14 × 26,959.78
  4. Step 4: Simplify right side
    31,749.94x = 1,178,550,557.07
  5. Step 5: Solve for x
    x = 1,178,550,557.07/31,749.94
  6. Step 6: Final answer
    x = 37,119.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.