Home / 39,611.05-54,658.04-23,689.69

Finding the Fourth Proportional to 39,611.05, 54,658.04 and 23,689.69

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Solution

The fourth proportional to 39,611.05, 54,658.04 and 23,689.69 is: 32,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.05 : 54,658.04 = 23,689.69 : x
  2. Step 2: Convert to fraction form
    39,611.05/54,658.04 = 23,689.69/x
  3. Step 3: Cross multiply
    39,611.05x = 54,658.04 × 23,689.69
  4. Step 4: Simplify right side
    39,611.05x = 1,294,832,023.61
  5. Step 5: Solve for x
    x = 1,294,832,023.61/39,611.05
  6. Step 6: Final answer
    x = 32,688.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.