Home / 31,849.02-43,954.10-19,102.68

Finding the Fourth Proportional to 31,849.02, 43,954.10 and 19,102.68

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Solution

The fourth proportional to 31,849.02, 43,954.10 and 19,102.68 is: 26,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.02 : 43,954.10 = 19,102.68 : x
  2. Step 2: Convert to fraction form
    31,849.02/43,954.10 = 19,102.68/x
  3. Step 3: Cross multiply
    31,849.02x = 43,954.10 × 19,102.68
  4. Step 4: Simplify right side
    31,849.02x = 839,641,011.47
  5. Step 5: Solve for x
    x = 839,641,011.47/31,849.02
  6. Step 6: Final answer
    x = 26,363.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.