Home / 40,743.24-61,146.14-18,260.84

Finding the Fourth Proportional to 40,743.24, 61,146.14 and 18,260.84

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Solution

The fourth proportional to 40,743.24, 61,146.14 and 18,260.84 is: 27,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.24 : 61,146.14 = 18,260.84 : x
  2. Step 2: Convert to fraction form
    40,743.24/61,146.14 = 18,260.84/x
  3. Step 3: Cross multiply
    40,743.24x = 61,146.14 × 18,260.84
  4. Step 4: Simplify right side
    40,743.24x = 1,116,579,879.16
  5. Step 5: Solve for x
    x = 1,116,579,879.16/40,743.24
  6. Step 6: Final answer
    x = 27,405.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.