Home / 38,656.41-57,983.85-12,361.14

Finding the Fourth Proportional to 38,656.41, 57,983.85 and 12,361.14

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Solution

The fourth proportional to 38,656.41, 57,983.85 and 12,361.14 is: 18,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.41 : 57,983.85 = 12,361.14 : x
  2. Step 2: Convert to fraction form
    38,656.41/57,983.85 = 12,361.14/x
  3. Step 3: Cross multiply
    38,656.41x = 57,983.85 × 12,361.14
  4. Step 4: Simplify right side
    38,656.41x = 716,746,487.59
  5. Step 5: Solve for x
    x = 716,746,487.59/38,656.41
  6. Step 6: Final answer
    x = 18,541.47

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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.