Home / 31,244.36-43,117.96-17,816.90

Finding the Fourth Proportional to 31,244.36, 43,117.96 and 17,816.90

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Solution

The fourth proportional to 31,244.36, 43,117.96 and 17,816.90 is: 24,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,244.36 : 43,117.96 = 17,816.90 : x
  2. Step 2: Convert to fraction form
    31,244.36/43,117.96 = 17,816.90/x
  3. Step 3: Cross multiply
    31,244.36x = 43,117.96 × 17,816.90
  4. Step 4: Simplify right side
    31,244.36x = 768,228,381.52
  5. Step 5: Solve for x
    x = 768,228,381.52/31,244.36
  6. Step 6: Final answer
    x = 24,587.75

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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.