Home / 64,658.20-96,987.29-17,911.07

Finding the Fourth Proportional to 64,658.20, 96,987.29 and 17,911.07

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Solution

The fourth proportional to 64,658.20, 96,987.29 and 17,911.07 is: 26,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,658.20 : 96,987.29 = 17,911.07 : x
  2. Step 2: Convert to fraction form
    64,658.20/96,987.29 = 17,911.07/x
  3. Step 3: Cross multiply
    64,658.20x = 96,987.29 × 17,911.07
  4. Step 4: Simplify right side
    64,658.20x = 1,737,146,050.74
  5. Step 5: Solve for x
    x = 1,737,146,050.74/64,658.20
  6. Step 6: Final answer
    x = 26,866.60

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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.