Home / 37,686.86-52,012.68-21,768.23

Finding the Fourth Proportional to 37,686.86, 52,012.68 and 21,768.23

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Solution

The fourth proportional to 37,686.86, 52,012.68 and 21,768.23 is: 30,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.86 : 52,012.68 = 21,768.23 : x
  2. Step 2: Convert to fraction form
    37,686.86/52,012.68 = 21,768.23/x
  3. Step 3: Cross multiply
    37,686.86x = 52,012.68 × 21,768.23
  4. Step 4: Simplify right side
    37,686.86x = 1,132,223,721.09
  5. Step 5: Solve for x
    x = 1,132,223,721.09/37,686.86
  6. Step 6: Final answer
    x = 30,042.93

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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.