Home / 42,497.36-63,745.52-19,107.28

Finding the Fourth Proportional to 42,497.36, 63,745.52 and 19,107.28

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Solution

The fourth proportional to 42,497.36, 63,745.52 and 19,107.28 is: 28,660.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497.36 : 63,745.52 = 19,107.28 : x
  2. Step 2: Convert to fraction form
    42,497.36/63,745.52 = 19,107.28/x
  3. Step 3: Cross multiply
    42,497.36x = 63,745.52 × 19,107.28
  4. Step 4: Simplify right side
    42,497.36x = 1,218,003,499.39
  5. Step 5: Solve for x
    x = 1,218,003,499.39/42,497.36
  6. Step 6: Final answer
    x = 28,660.69

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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.