Home / 35,180.16-52,715.16-21,105.60

Finding the Fourth Proportional to 35,180.16, 52,715.16 and 21,105.60

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Solution

The fourth proportional to 35,180.16, 52,715.16 and 21,105.60 is: 31,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,180.16 : 52,715.16 = 21,105.60 : x
  2. Step 2: Convert to fraction form
    35,180.16/52,715.16 = 21,105.60/x
  3. Step 3: Cross multiply
    35,180.16x = 52,715.16 × 21,105.60
  4. Step 4: Simplify right side
    35,180.16x = 1,112,585,080.90
  5. Step 5: Solve for x
    x = 1,112,585,080.90/35,180.16
  6. Step 6: Final answer
    x = 31,625.36

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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.