Home / 29,087.14-40,139.20-17,775.57

Finding the Fourth Proportional to 29,087.14, 40,139.20 and 17,775.57

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Solution

The fourth proportional to 29,087.14, 40,139.20 and 17,775.57 is: 24,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.14 : 40,139.20 = 17,775.57 : x
  2. Step 2: Convert to fraction form
    29,087.14/40,139.20 = 17,775.57/x
  3. Step 3: Cross multiply
    29,087.14x = 40,139.20 × 17,775.57
  4. Step 4: Simplify right side
    29,087.14x = 713,497,159.34
  5. Step 5: Solve for x
    x = 713,497,159.34/29,087.14
  6. Step 6: Final answer
    x = 24,529.64

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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.