Home / 31,346.47-43,260.84-17,202.05

Finding the Fourth Proportional to 31,346.47, 43,260.84 and 17,202.05

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Solution

The fourth proportional to 31,346.47, 43,260.84 and 17,202.05 is: 23,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.47 : 43,260.84 = 17,202.05 : x
  2. Step 2: Convert to fraction form
    31,346.47/43,260.84 = 17,202.05/x
  3. Step 3: Cross multiply
    31,346.47x = 43,260.84 × 17,202.05
  4. Step 4: Simplify right side
    31,346.47x = 744,174,916.42
  5. Step 5: Solve for x
    x = 744,174,916.42/31,346.47
  6. Step 6: Final answer
    x = 23,740.31

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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.