Home / 42,529.32-63,786.60-11,357.28

Finding the Fourth Proportional to 42,529.32, 63,786.60 and 11,357.28

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Solution

The fourth proportional to 42,529.32, 63,786.60 and 11,357.28 is: 17,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,529.32 : 63,786.60 = 11,357.28 : x
  2. Step 2: Convert to fraction form
    42,529.32/63,786.60 = 11,357.28/x
  3. Step 3: Cross multiply
    42,529.32x = 63,786.60 × 11,357.28
  4. Step 4: Simplify right side
    42,529.32x = 724,442,276.45
  5. Step 5: Solve for x
    x = 724,442,276.45/42,529.32
  6. Step 6: Final answer
    x = 17,033.95

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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.