Home / 37,954.56-52,377.60-21,187.20

Finding the Fourth Proportional to 37,954.56, 52,377.60 and 21,187.20

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Solution

The fourth proportional to 37,954.56, 52,377.60 and 21,187.20 is: 29,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,954.56 : 52,377.60 = 21,187.20 : x
  2. Step 2: Convert to fraction form
    37,954.56/52,377.60 = 21,187.20/x
  3. Step 3: Cross multiply
    37,954.56x = 52,377.60 × 21,187.20
  4. Step 4: Simplify right side
    37,954.56x = 1,109,734,686.72
  5. Step 5: Solve for x
    x = 1,109,734,686.72/37,954.56
  6. Step 6: Final answer
    x = 29,238.51

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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.