Home / 29,542.13-40,768.13-21,994.95

Finding the Fourth Proportional to 29,542.13, 40,768.13 and 21,994.95

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Solution

The fourth proportional to 29,542.13, 40,768.13 and 21,994.95 is: 30,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,542.13 : 40,768.13 = 21,994.95 : x
  2. Step 2: Convert to fraction form
    29,542.13/40,768.13 = 21,994.95/x
  3. Step 3: Cross multiply
    29,542.13x = 40,768.13 × 21,994.95
  4. Step 4: Simplify right side
    29,542.13x = 896,693,035.93
  5. Step 5: Solve for x
    x = 896,693,035.93/29,542.13
  6. Step 6: Final answer
    x = 30,353.03

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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.