Home / 33,155.12-49,740.18-10,968.45

Finding the Fourth Proportional to 33,155.12, 49,740.18 and 10,968.45

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Solution

The fourth proportional to 33,155.12, 49,740.18 and 10,968.45 is: 16,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,155.12 : 49,740.18 = 10,968.45 : x
  2. Step 2: Convert to fraction form
    33,155.12/49,740.18 = 10,968.45/x
  3. Step 3: Cross multiply
    33,155.12x = 49,740.18 × 10,968.45
  4. Step 4: Simplify right side
    33,155.12x = 545,572,449.66
  5. Step 5: Solve for x
    x = 545,572,449.66/33,155.12
  6. Step 6: Final answer
    x = 16,455.15

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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.