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Finding the Fourth Proportional to 64,284.51, 96,452.15 and 19,914.73

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Solution

The fourth proportional to 64,284.51, 96,452.15 and 19,914.73 is: 29,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,284.51 : 96,452.15 = 19,914.73 : x
  2. Step 2: Convert to fraction form
    64,284.51/96,452.15 = 19,914.73/x
  3. Step 3: Cross multiply
    64,284.51x = 96,452.15 × 19,914.73
  4. Step 4: Simplify right side
    64,284.51x = 1,920,818,184.47
  5. Step 5: Solve for x
    x = 1,920,818,184.47/64,284.51
  6. Step 6: Final answer
    x = 29,879.95

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1.5x scale

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.