Home / 66,458.01-99,692.42-19,710.75

Finding the Fourth Proportional to 66,458.01, 99,692.42 and 19,710.75

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Solution

The fourth proportional to 66,458.01, 99,692.42 and 19,710.75 is: 29,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,458.01 : 99,692.42 = 19,710.75 : x
  2. Step 2: Convert to fraction form
    66,458.01/99,692.42 = 19,710.75/x
  3. Step 3: Cross multiply
    66,458.01x = 99,692.42 × 19,710.75
  4. Step 4: Simplify right side
    66,458.01x = 1,965,012,268.96
  5. Step 5: Solve for x
    x = 1,965,012,268.96/66,458.01
  6. Step 6: Final answer
    x = 29,567.73

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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.