Home / 47,686.17-71,486.73-18,083.91

Finding the Fourth Proportional to 47,686.17, 71,486.73 and 18,083.91

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Solution

The fourth proportional to 47,686.17, 71,486.73 and 18,083.91 is: 27,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,686.17 : 71,486.73 = 18,083.91 : x
  2. Step 2: Convert to fraction form
    47,686.17/71,486.73 = 18,083.91/x
  3. Step 3: Cross multiply
    47,686.17x = 71,486.73 × 18,083.91
  4. Step 4: Simplify right side
    47,686.17x = 1,292,759,591.51
  5. Step 5: Solve for x
    x = 1,292,759,591.51/47,686.17
  6. Step 6: Final answer
    x = 27,109.74

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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.