Home / 31,125.26-42,950.45-17,696.68

Finding the Fourth Proportional to 31,125.26, 42,950.45 and 17,696.68

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Solution

The fourth proportional to 31,125.26, 42,950.45 and 17,696.68 is: 24,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,125.26 : 42,950.45 = 17,696.68 : x
  2. Step 2: Convert to fraction form
    31,125.26/42,950.45 = 17,696.68/x
  3. Step 3: Cross multiply
    31,125.26x = 42,950.45 × 17,696.68
  4. Step 4: Simplify right side
    31,125.26x = 760,080,306.37
  5. Step 5: Solve for x
    x = 760,080,306.37/31,125.26
  6. Step 6: Final answer
    x = 24,420.04

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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.