Home / 37,869.21-52,253.34-21,950.55

Finding the Fourth Proportional to 37,869.21, 52,253.34 and 21,950.55

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Solution

The fourth proportional to 37,869.21, 52,253.34 and 21,950.55 is: 30,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,869.21 : 52,253.34 = 21,950.55 : x
  2. Step 2: Convert to fraction form
    37,869.21/52,253.34 = 21,950.55/x
  3. Step 3: Cross multiply
    37,869.21x = 52,253.34 × 21,950.55
  4. Step 4: Simplify right side
    37,869.21x = 1,146,989,552.34
  5. Step 5: Solve for x
    x = 1,146,989,552.34/37,869.21
  6. Step 6: Final answer
    x = 30,288.18

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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.