Home / 61,260.24-91,903.11-19,138.62

Finding the Fourth Proportional to 61,260.24, 91,903.11 and 19,138.62

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Solution

The fourth proportional to 61,260.24, 91,903.11 and 19,138.62 is: 28,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,260.24 : 91,903.11 = 19,138.62 : x
  2. Step 2: Convert to fraction form
    61,260.24/91,903.11 = 19,138.62/x
  3. Step 3: Cross multiply
    61,260.24x = 91,903.11 × 19,138.62
  4. Step 4: Simplify right side
    61,260.24x = 1,758,898,699.11
  5. Step 5: Solve for x
    x = 1,758,898,699.11/61,260.24
  6. Step 6: Final answer
    x = 28,711.91

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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.