Home / 61,263.90-91,898.19-19,147.86

Finding the Fourth Proportional to 61,263.90, 91,898.19 and 19,147.86

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Solution

The fourth proportional to 61,263.90, 91,898.19 and 19,147.86 is: 28,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,263.90 : 91,898.19 = 19,147.86 : x
  2. Step 2: Convert to fraction form
    61,263.90/91,898.19 = 19,147.86/x
  3. Step 3: Cross multiply
    61,263.90x = 91,898.19 × 19,147.86
  4. Step 4: Simplify right side
    61,263.90x = 1,759,653,676.37
  5. Step 5: Solve for x
    x = 1,759,653,676.37/61,263.90
  6. Step 6: Final answer
    x = 28,722.52

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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.