Home / 40,370.50-60,568.08-20,663.02

Finding the Fourth Proportional to 40,370.50, 60,568.08 and 20,663.02

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Solution

The fourth proportional to 40,370.50, 60,568.08 and 20,663.02 is: 31,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,370.50 : 60,568.08 = 20,663.02 : x
  2. Step 2: Convert to fraction form
    40,370.50/60,568.08 = 20,663.02/x
  3. Step 3: Cross multiply
    40,370.50x = 60,568.08 × 20,663.02
  4. Step 4: Simplify right side
    40,370.50x = 1,251,519,448.40
  5. Step 5: Solve for x
    x = 1,251,519,448.40/40,370.50
  6. Step 6: Final answer
    x = 31,000.84

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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.