Home / 31,262.20-43,140.72-17,837.74

Finding the Fourth Proportional to 31,262.20, 43,140.72 and 17,837.74

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Solution

The fourth proportional to 31,262.20, 43,140.72 and 17,837.74 is: 24,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.20 : 43,140.72 = 17,837.74 : x
  2. Step 2: Convert to fraction form
    31,262.20/43,140.72 = 17,837.74/x
  3. Step 3: Cross multiply
    31,262.20x = 43,140.72 × 17,837.74
  4. Step 4: Simplify right side
    31,262.20x = 769,532,946.77
  5. Step 5: Solve for x
    x = 769,532,946.77/31,262.20
  6. Step 6: Final answer
    x = 24,615.44

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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.