Home / 39,679.50-59,520.14-15,989.42

Finding the Fourth Proportional to 39,679.50, 59,520.14 and 15,989.42

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Solution

The fourth proportional to 39,679.50, 59,520.14 and 15,989.42 is: 23,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,679.50 : 59,520.14 = 15,989.42 : x
  2. Step 2: Convert to fraction form
    39,679.50/59,520.14 = 15,989.42/x
  3. Step 3: Cross multiply
    39,679.50x = 59,520.14 × 15,989.42
  4. Step 4: Simplify right side
    39,679.50x = 951,692,516.92
  5. Step 5: Solve for x
    x = 951,692,516.92/39,679.50
  6. Step 6: Final answer
    x = 23,984.49

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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.