Home / 37,637.96-51,937.56-20,639.48

Finding the Fourth Proportional to 37,637.96, 51,937.56 and 20,639.48

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Solution

The fourth proportional to 37,637.96, 51,937.56 and 20,639.48 is: 28,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,637.96 : 51,937.56 = 20,639.48 : x
  2. Step 2: Convert to fraction form
    37,637.96/51,937.56 = 20,639.48/x
  3. Step 3: Cross multiply
    37,637.96x = 51,937.56 × 20,639.48
  4. Step 4: Simplify right side
    37,637.96x = 1,071,964,230.87
  5. Step 5: Solve for x
    x = 1,071,964,230.87/37,637.96
  6. Step 6: Final answer
    x = 28,480.93

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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.