Home / 66,402.38-99,623.08-19,656.46

Finding the Fourth Proportional to 66,402.38, 99,623.08 and 19,656.46

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Solution

The fourth proportional to 66,402.38, 99,623.08 and 19,656.46 is: 29,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,402.38 : 99,623.08 = 19,656.46 : x
  2. Step 2: Convert to fraction form
    66,402.38/99,623.08 = 19,656.46/x
  3. Step 3: Cross multiply
    66,402.38x = 99,623.08 × 19,656.46
  4. Step 4: Simplify right side
    66,402.38x = 1,958,237,087.10
  5. Step 5: Solve for x
    x = 1,958,237,087.10/66,402.38
  6. Step 6: Final answer
    x = 29,490.47

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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.