Home / 64,268.15-96,406.32-19,891.17

Finding the Fourth Proportional to 64,268.15, 96,406.32 and 19,891.17

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Solution

The fourth proportional to 64,268.15, 96,406.32 and 19,891.17 is: 29,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,268.15 : 96,406.32 = 19,891.17 : x
  2. Step 2: Convert to fraction form
    64,268.15/96,406.32 = 19,891.17/x
  3. Step 3: Cross multiply
    64,268.15x = 96,406.32 × 19,891.17
  4. Step 4: Simplify right side
    64,268.15x = 1,917,634,500.19
  5. Step 5: Solve for x
    x = 1,917,634,500.19/64,268.15
  6. Step 6: Final answer
    x = 29,838.02

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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.