Home / 47,908.88-66,114.25-26,689.51

Finding the Fourth Proportional to 47,908.88, 66,114.25 and 26,689.51

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Solution

The fourth proportional to 47,908.88, 66,114.25 and 26,689.51 is: 36,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908.88 : 66,114.25 = 26,689.51 : x
  2. Step 2: Convert to fraction form
    47,908.88/66,114.25 = 26,689.51/x
  3. Step 3: Cross multiply
    47,908.88x = 66,114.25 × 26,689.51
  4. Step 4: Simplify right side
    47,908.88x = 1,764,556,704.51
  5. Step 5: Solve for x
    x = 1,764,556,704.51/47,908.88
  6. Step 6: Final answer
    x = 36,831.52

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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.