Home / 66,285.30-99,428.15-16,365.40

Finding the Fourth Proportional to 66,285.30, 99,428.15 and 16,365.40

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Solution

The fourth proportional to 66,285.30, 99,428.15 and 16,365.40 is: 24,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,285.30 : 99,428.15 = 16,365.40 : x
  2. Step 2: Convert to fraction form
    66,285.30/99,428.15 = 16,365.40/x
  3. Step 3: Cross multiply
    66,285.30x = 99,428.15 × 16,365.40
  4. Step 4: Simplify right side
    66,285.30x = 1,627,181,446.01
  5. Step 5: Solve for x
    x = 1,627,181,446.01/66,285.30
  6. Step 6: Final answer
    x = 24,548.15

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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.