Home / 31,230.52-43,101.08-17,085.49

Finding the Fourth Proportional to 31,230.52, 43,101.08 and 17,085.49

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Solution

The fourth proportional to 31,230.52, 43,101.08 and 17,085.49 is: 23,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230.52 : 43,101.08 = 17,085.49 : x
  2. Step 2: Convert to fraction form
    31,230.52/43,101.08 = 17,085.49/x
  3. Step 3: Cross multiply
    31,230.52x = 43,101.08 × 17,085.49
  4. Step 4: Simplify right side
    31,230.52x = 736,402,942.22
  5. Step 5: Solve for x
    x = 736,402,942.22/31,230.52
  6. Step 6: Final answer
    x = 23,579.59

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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.