Home / 37,775.21-56,637.25-21,146.72

Finding the Fourth Proportional to 37,775.21, 56,637.25 and 21,146.72

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Solution

The fourth proportional to 37,775.21, 56,637.25 and 21,146.72 is: 31,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,775.21 : 56,637.25 = 21,146.72 : x
  2. Step 2: Convert to fraction form
    37,775.21/56,637.25 = 21,146.72/x
  3. Step 3: Cross multiply
    37,775.21x = 56,637.25 × 21,146.72
  4. Step 4: Simplify right side
    37,775.21x = 1,197,691,731.27
  5. Step 5: Solve for x
    x = 1,197,691,731.27/37,775.21
  6. Step 6: Final answer
    x = 31,705.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.