Home / 31,425.19-43,367.58-17,085.98

Finding the Fourth Proportional to 31,425.19, 43,367.58 and 17,085.98

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Solution

The fourth proportional to 31,425.19, 43,367.58 and 17,085.98 is: 23,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,425.19 : 43,367.58 = 17,085.98 : x
  2. Step 2: Convert to fraction form
    31,425.19/43,367.58 = 17,085.98/x
  3. Step 3: Cross multiply
    31,425.19x = 43,367.58 × 17,085.98
  4. Step 4: Simplify right side
    31,425.19x = 740,977,712.95
  5. Step 5: Solve for x
    x = 740,977,712.95/31,425.19
  6. Step 6: Final answer
    x = 23,579.10

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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.