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Finding the Fourth Proportional to 64,479.87, 96,675.69 and 32,828.69

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Solution

The fourth proportional to 64,479.87, 96,675.69 and 32,828.69 is: 49,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,479.87 : 96,675.69 = 32,828.69 : x
  2. Step 2: Convert to fraction form
    64,479.87/96,675.69 = 32,828.69/x
  3. Step 3: Cross multiply
    64,479.87x = 96,675.69 × 32,828.69
  4. Step 4: Simplify right side
    64,479.87x = 3,173,735,774.17
  5. Step 5: Solve for x
    x = 3,173,735,774.17/64,479.87
  6. Step 6: Final answer
    x = 49,220.57

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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.