Home / 47,784.79-65,935.78-27,637.66

Finding the Fourth Proportional to 47,784.79, 65,935.78 and 27,637.66

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Solution

The fourth proportional to 47,784.79, 65,935.78 and 27,637.66 is: 38,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,784.79 : 65,935.78 = 27,637.66 : x
  2. Step 2: Convert to fraction form
    47,784.79/65,935.78 = 27,637.66/x
  3. Step 3: Cross multiply
    47,784.79x = 65,935.78 × 27,637.66
  4. Step 4: Simplify right side
    47,784.79x = 1,822,310,669.47
  5. Step 5: Solve for x
    x = 1,822,310,669.47/47,784.79
  6. Step 6: Final answer
    x = 38,135.79

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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.