Home / 37,631.77-51,932.44-20,637.56

Finding the Fourth Proportional to 37,631.77, 51,932.44 and 20,637.56

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Solution

The fourth proportional to 37,631.77, 51,932.44 and 20,637.56 is: 28,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,631.77 : 51,932.44 = 20,637.56 : x
  2. Step 2: Convert to fraction form
    37,631.77/51,932.44 = 20,637.56/x
  3. Step 3: Cross multiply
    37,631.77x = 51,932.44 × 20,637.56
  4. Step 4: Simplify right side
    37,631.77x = 1,071,758,846.45
  5. Step 5: Solve for x
    x = 1,071,758,846.45/37,631.77
  6. Step 6: Final answer
    x = 28,480.16

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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.