Home / 64,778.58-96,948.39-39,834.42

Finding the Fourth Proportional to 64,778.58, 96,948.39 and 39,834.42

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Solution

The fourth proportional to 64,778.58, 96,948.39 and 39,834.42 is: 59,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,778.58 : 96,948.39 = 39,834.42 : x
  2. Step 2: Convert to fraction form
    64,778.58/96,948.39 = 39,834.42/x
  3. Step 3: Cross multiply
    64,778.58x = 96,948.39 × 39,834.42
  4. Step 4: Simplify right side
    64,778.58x = 3,861,882,885.58
  5. Step 5: Solve for x
    x = 3,861,882,885.58/64,778.58
  6. Step 6: Final answer
    x = 59,616.66

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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.