Home / 31,256.99-43,126.11-17,823.35

Finding the Fourth Proportional to 31,256.99, 43,126.11 and 17,823.35

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Solution

The fourth proportional to 31,256.99, 43,126.11 and 17,823.35 is: 24,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.99 : 43,126.11 = 17,823.35 : x
  2. Step 2: Convert to fraction form
    31,256.99/43,126.11 = 17,823.35/x
  3. Step 3: Cross multiply
    31,256.99x = 43,126.11 × 17,823.35
  4. Step 4: Simplify right side
    31,256.99x = 768,651,537.04
  5. Step 5: Solve for x
    x = 768,651,537.04/31,256.99
  6. Step 6: Final answer
    x = 24,591.35

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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.