Home / 31,173.60-43,019.48-17,026.45

Finding the Fourth Proportional to 31,173.60, 43,019.48 and 17,026.45

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Solution

The fourth proportional to 31,173.60, 43,019.48 and 17,026.45 is: 23,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,173.60 : 43,019.48 = 17,026.45 : x
  2. Step 2: Convert to fraction form
    31,173.60/43,019.48 = 17,026.45/x
  3. Step 3: Cross multiply
    31,173.60x = 43,019.48 × 17,026.45
  4. Step 4: Simplify right side
    31,173.60x = 732,468,960.26
  5. Step 5: Solve for x
    x = 732,468,960.26/31,173.60
  6. Step 6: Final answer
    x = 23,496.45

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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.