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Finding the Fourth Proportional to 40,000.97, 60,000.71 and 11,940.06

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Solution

The fourth proportional to 40,000.97, 60,000.71 and 11,940.06 is: 17,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,000.97 : 60,000.71 = 11,940.06 : x
  2. Step 2: Convert to fraction form
    40,000.97/60,000.71 = 11,940.06/x
  3. Step 3: Cross multiply
    40,000.97x = 60,000.71 × 11,940.06
  4. Step 4: Simplify right side
    40,000.97x = 716,412,017.74
  5. Step 5: Solve for x
    x = 716,412,017.74/40,000.97
  6. Step 6: Final answer
    x = 17,909.87

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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.