Home / 42,150.40-63,256.70-19,963.73

Finding the Fourth Proportional to 42,150.40, 63,256.70 and 19,963.73

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Solution

The fourth proportional to 42,150.40, 63,256.70 and 19,963.73 is: 29,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,150.40 : 63,256.70 = 19,963.73 : x
  2. Step 2: Convert to fraction form
    42,150.40/63,256.70 = 19,963.73/x
  3. Step 3: Cross multiply
    42,150.40x = 63,256.70 × 19,963.73
  4. Step 4: Simplify right side
    42,150.40x = 1,262,839,887.54
  5. Step 5: Solve for x
    x = 1,262,839,887.54/42,150.40
  6. Step 6: Final answer
    x = 29,960.33

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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.