Home / 39,574.24-59,385.24-20,868.10

Finding the Fourth Proportional to 39,574.24, 59,385.24 and 20,868.10

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Solution

The fourth proportional to 39,574.24, 59,385.24 and 20,868.10 is: 31,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.24 : 59,385.24 = 20,868.10 : x
  2. Step 2: Convert to fraction form
    39,574.24/59,385.24 = 20,868.10/x
  3. Step 3: Cross multiply
    39,574.24x = 59,385.24 × 20,868.10
  4. Step 4: Simplify right side
    39,574.24x = 1,239,257,126.84
  5. Step 5: Solve for x
    x = 1,239,257,126.84/39,574.24
  6. Step 6: Final answer
    x = 31,314.74

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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.