Home / 31,244.96-43,119.24-17,818.40

Finding the Fourth Proportional to 31,244.96, 43,119.24 and 17,818.40

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Solution

The fourth proportional to 31,244.96, 43,119.24 and 17,818.40 is: 24,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,244.96 : 43,119.24 = 17,818.40 : x
  2. Step 2: Convert to fraction form
    31,244.96/43,119.24 = 17,818.40/x
  3. Step 3: Cross multiply
    31,244.96x = 43,119.24 × 17,818.40
  4. Step 4: Simplify right side
    31,244.96x = 768,315,866.02
  5. Step 5: Solve for x
    x = 768,315,866.02/31,244.96
  6. Step 6: Final answer
    x = 24,590.07

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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.