Home / 70,993.07-106,489.50-18,402.60

Finding the Fourth Proportional to 70,993.07, 106,489.50 and 18,402.60

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Solution

The fourth proportional to 70,993.07, 106,489.50 and 18,402.60 is: 27,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,993.07 : 106,489.50 = 18,402.60 : x
  2. Step 2: Convert to fraction form
    70,993.07/106,489.50 = 18,402.60/x
  3. Step 3: Cross multiply
    70,993.07x = 106,489.50 × 18,402.60
  4. Step 4: Simplify right side
    70,993.07x = 1,959,683,672.70
  5. Step 5: Solve for x
    x = 1,959,683,672.70/70,993.07
  6. Step 6: Final answer
    x = 27,603.87

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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.