Home / 35,135.65-52,573.68-21,104.20

Finding the Fourth Proportional to 35,135.65, 52,573.68 and 21,104.20

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Solution

The fourth proportional to 35,135.65, 52,573.68 and 21,104.20 is: 31,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.65 : 52,573.68 = 21,104.20 : x
  2. Step 2: Convert to fraction form
    35,135.65/52,573.68 = 21,104.20/x
  3. Step 3: Cross multiply
    35,135.65x = 52,573.68 × 21,104.20
  4. Step 4: Simplify right side
    35,135.65x = 1,109,525,457.46
  5. Step 5: Solve for x
    x = 1,109,525,457.46/35,135.65
  6. Step 6: Final answer
    x = 31,578.34

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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.