Home / 35,029.68-48,348.14-21,420.04

Finding the Fourth Proportional to 35,029.68, 48,348.14 and 21,420.04

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Solution

The fourth proportional to 35,029.68, 48,348.14 and 21,420.04 is: 29,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,029.68 : 48,348.14 = 21,420.04 : x
  2. Step 2: Convert to fraction form
    35,029.68/48,348.14 = 21,420.04/x
  3. Step 3: Cross multiply
    35,029.68x = 48,348.14 × 21,420.04
  4. Step 4: Simplify right side
    35,029.68x = 1,035,619,092.73
  5. Step 5: Solve for x
    x = 1,035,619,092.73/35,029.68
  6. Step 6: Final answer
    x = 29,564.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.