Home / 36,949.02-55,432.29-11,989.11

Finding the Fourth Proportional to 36,949.02, 55,432.29 and 11,989.11

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Solution

The fourth proportional to 36,949.02, 55,432.29 and 11,989.11 is: 17,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,949.02 : 55,432.29 = 11,989.11 : x
  2. Step 2: Convert to fraction form
    36,949.02/55,432.29 = 11,989.11/x
  3. Step 3: Cross multiply
    36,949.02x = 55,432.29 × 11,989.11
  4. Step 4: Simplify right side
    36,949.02x = 664,583,822.36
  5. Step 5: Solve for x
    x = 664,583,822.36/36,949.02
  6. Step 6: Final answer
    x = 17,986.51

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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.