Home / 31,549.80-43,539.24-17,402.64

Finding the Fourth Proportional to 31,549.80, 43,539.24 and 17,402.64

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Solution

The fourth proportional to 31,549.80, 43,539.24 and 17,402.64 is: 24,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.80 : 43,539.24 = 17,402.64 : x
  2. Step 2: Convert to fraction form
    31,549.80/43,539.24 = 17,402.64/x
  3. Step 3: Cross multiply
    31,549.80x = 43,539.24 × 17,402.64
  4. Step 4: Simplify right side
    31,549.80x = 757,697,719.59
  5. Step 5: Solve for x
    x = 757,697,719.59/31,549.80
  6. Step 6: Final answer
    x = 24,015.93

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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.