Home / 35,144.68-52,587.18-21,113.20

Finding the Fourth Proportional to 35,144.68, 52,587.18 and 21,113.20

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Solution

The fourth proportional to 35,144.68, 52,587.18 and 21,113.20 is: 31,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,144.68 : 52,587.18 = 21,113.20 : x
  2. Step 2: Convert to fraction form
    35,144.68/52,587.18 = 21,113.20/x
  3. Step 3: Cross multiply
    35,144.68x = 52,587.18 × 21,113.20
  4. Step 4: Simplify right side
    35,144.68x = 1,110,283,648.78
  5. Step 5: Solve for x
    x = 1,110,283,648.78/35,144.68
  6. Step 6: Final answer
    x = 31,591.80

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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.