Home / 31,388.60-43,316.15-17,048.49

Finding the Fourth Proportional to 31,388.60, 43,316.15 and 17,048.49

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Solution

The fourth proportional to 31,388.60, 43,316.15 and 17,048.49 is: 23,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.60 : 43,316.15 = 17,048.49 : x
  2. Step 2: Convert to fraction form
    31,388.60/43,316.15 = 17,048.49/x
  3. Step 3: Cross multiply
    31,388.60x = 43,316.15 × 17,048.49
  4. Step 4: Simplify right side
    31,388.60x = 738,474,864.87
  5. Step 5: Solve for x
    x = 738,474,864.87/31,388.60
  6. Step 6: Final answer
    x = 23,526.85

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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.