Home / 29,035.13-40,080.74-19,616.45

Finding the Fourth Proportional to 29,035.13, 40,080.74 and 19,616.45

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Solution

The fourth proportional to 29,035.13, 40,080.74 and 19,616.45 is: 27,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,035.13 : 40,080.74 = 19,616.45 : x
  2. Step 2: Convert to fraction form
    29,035.13/40,080.74 = 19,616.45/x
  3. Step 3: Cross multiply
    29,035.13x = 40,080.74 × 19,616.45
  4. Step 4: Simplify right side
    29,035.13x = 786,241,734.09
  5. Step 5: Solve for x
    x = 786,241,734.09/29,035.13
  6. Step 6: Final answer
    x = 27,078.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.