Home / 31,354.89-43,269.63-17,014.79

Finding the Fourth Proportional to 31,354.89, 43,269.63 and 17,014.79

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Solution

The fourth proportional to 31,354.89, 43,269.63 and 17,014.79 is: 23,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.89 : 43,269.63 = 17,014.79 : x
  2. Step 2: Convert to fraction form
    31,354.89/43,269.63 = 17,014.79/x
  3. Step 3: Cross multiply
    31,354.89x = 43,269.63 × 17,014.79
  4. Step 4: Simplify right side
    31,354.89x = 736,223,451.48
  5. Step 5: Solve for x
    x = 736,223,451.48/31,354.89
  6. Step 6: Final answer
    x = 23,480.34

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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.