Home / 40,402.50-60,610.32-11,942.34

Finding the Fourth Proportional to 40,402.50, 60,610.32 and 11,942.34

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Solution

The fourth proportional to 40,402.50, 60,610.32 and 11,942.34 is: 17,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,402.50 : 60,610.32 = 11,942.34 : x
  2. Step 2: Convert to fraction form
    40,402.50/60,610.32 = 11,942.34/x
  3. Step 3: Cross multiply
    40,402.50x = 60,610.32 × 11,942.34
  4. Step 4: Simplify right side
    40,402.50x = 723,829,048.95
  5. Step 5: Solve for x
    x = 723,829,048.95/40,402.50
  6. Step 6: Final answer
    x = 17,915.45

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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.