Home / 66,441.48-99,688.76-27,001.68

Finding the Fourth Proportional to 66,441.48, 99,688.76 and 27,001.68

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Solution

The fourth proportional to 66,441.48, 99,688.76 and 27,001.68 is: 40,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441.48 : 99,688.76 = 27,001.68 : x
  2. Step 2: Convert to fraction form
    66,441.48/99,688.76 = 27,001.68/x
  3. Step 3: Cross multiply
    66,441.48x = 99,688.76 × 27,001.68
  4. Step 4: Simplify right side
    66,441.48x = 2,691,763,997.12
  5. Step 5: Solve for x
    x = 2,691,763,997.12/66,441.48
  6. Step 6: Final answer
    x = 40,513.31

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1.5x scale

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.