Home / 40,783.79-61,165.55-11,200.16

Finding the Fourth Proportional to 40,783.79, 61,165.55 and 11,200.16

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Solution

The fourth proportional to 40,783.79, 61,165.55 and 11,200.16 is: 16,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.79 : 61,165.55 = 11,200.16 : x
  2. Step 2: Convert to fraction form
    40,783.79/61,165.55 = 11,200.16/x
  3. Step 3: Cross multiply
    40,783.79x = 61,165.55 × 11,200.16
  4. Step 4: Simplify right side
    40,783.79x = 685,063,584.66
  5. Step 5: Solve for x
    x = 685,063,584.66/40,783.79
  6. Step 6: Final answer
    x = 16,797.45

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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.