Home / 33,139.64-49,707.80-12,361.52

Finding the Fourth Proportional to 33,139.64, 49,707.80 and 12,361.52

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Solution

The fourth proportional to 33,139.64, 49,707.80 and 12,361.52 is: 18,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.64 : 49,707.80 = 12,361.52 : x
  2. Step 2: Convert to fraction form
    33,139.64/49,707.80 = 12,361.52/x
  3. Step 3: Cross multiply
    33,139.64x = 49,707.80 × 12,361.52
  4. Step 4: Simplify right side
    33,139.64x = 614,463,963.86
  5. Step 5: Solve for x
    x = 614,463,963.86/33,139.64
  6. Step 6: Final answer
    x = 18,541.66

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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.