Home / 31,782.15-43,862.61-17,635.08

Finding the Fourth Proportional to 31,782.15, 43,862.61 and 17,635.08

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Solution

The fourth proportional to 31,782.15, 43,862.61 and 17,635.08 is: 24,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,782.15 : 43,862.61 = 17,635.08 : x
  2. Step 2: Convert to fraction form
    31,782.15/43,862.61 = 17,635.08/x
  3. Step 3: Cross multiply
    31,782.15x = 43,862.61 × 17,635.08
  4. Step 4: Simplify right side
    31,782.15x = 773,520,636.36
  5. Step 5: Solve for x
    x = 773,520,636.36/31,782.15
  6. Step 6: Final answer
    x = 24,338.21

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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.