Home / 37,434.24-51,660-20,668.32

Finding the Fourth Proportional to 37,434.24, 51,660 and 20,668.32

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Solution

The fourth proportional to 37,434.24, 51,660 and 20,668.32 is: 28,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,434.24 : 51,660 = 20,668.32 : x
  2. Step 2: Convert to fraction form
    37,434.24/51,660 = 20,668.32/x
  3. Step 3: Cross multiply
    37,434.24x = 51,660 × 20,668.32
  4. Step 4: Simplify right side
    37,434.24x = 1,067,725,411.20
  5. Step 5: Solve for x
    x = 1,067,725,411.20/37,434.24
  6. Step 6: Final answer
    x = 28,522.70

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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.