Home / 65,566.08-98,360.64-21,202.56

Finding the Fourth Proportional to 65,566.08, 98,360.64 and 21,202.56

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Solution

The fourth proportional to 65,566.08, 98,360.64 and 21,202.56 is: 31,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,566.08 : 98,360.64 = 21,202.56 : x
  2. Step 2: Convert to fraction form
    65,566.08/98,360.64 = 21,202.56/x
  3. Step 3: Cross multiply
    65,566.08x = 98,360.64 × 21,202.56
  4. Step 4: Simplify right side
    65,566.08x = 2,085,497,371.24
  5. Step 5: Solve for x
    x = 2,085,497,371.24/65,566.08
  6. Step 6: Final answer
    x = 31,807.57

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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.