Home / 66,443.13-91,692.23-36,228.20

Finding the Fourth Proportional to 66,443.13, 91,692.23 and 36,228.20

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Solution

The fourth proportional to 66,443.13, 91,692.23 and 36,228.20 is: 49,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443.13 : 91,692.23 = 36,228.20 : x
  2. Step 2: Convert to fraction form
    66,443.13/91,692.23 = 36,228.20/x
  3. Step 3: Cross multiply
    66,443.13x = 91,692.23 × 36,228.20
  4. Step 4: Simplify right side
    66,443.13x = 3,321,843,807.28
  5. Step 5: Solve for x
    x = 3,321,843,807.28/66,443.13
  6. Step 6: Final answer
    x = 49,995.29

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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.