Home / 37,721.45-52,055.75-20,727.07

Finding the Fourth Proportional to 37,721.45, 52,055.75 and 20,727.07

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Solution

The fourth proportional to 37,721.45, 52,055.75 and 20,727.07 is: 28,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.45 : 52,055.75 = 20,727.07 : x
  2. Step 2: Convert to fraction form
    37,721.45/52,055.75 = 20,727.07/x
  3. Step 3: Cross multiply
    37,721.45x = 52,055.75 × 20,727.07
  4. Step 4: Simplify right side
    37,721.45x = 1,078,963,174.15
  5. Step 5: Solve for x
    x = 1,078,963,174.15/37,721.45
  6. Step 6: Final answer
    x = 28,603.44

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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.