Home / 61,134.23-91,701.65-27,831

Finding the Fourth Proportional to 61,134.23, 91,701.65 and 27,831

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Solution

The fourth proportional to 61,134.23, 91,701.65 and 27,831 is: 41,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,134.23 : 91,701.65 = 27,831 : x
  2. Step 2: Convert to fraction form
    61,134.23/91,701.65 = 27,831/x
  3. Step 3: Cross multiply
    61,134.23x = 91,701.65 × 27,831
  4. Step 4: Simplify right side
    61,134.23x = 2,552,148,621.15
  5. Step 5: Solve for x
    x = 2,552,148,621.15/61,134.23
  6. Step 6: Final answer
    x = 41,746.64

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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.