Home / 60,770.05-91,164.17-21,320.21

Finding the Fourth Proportional to 60,770.05, 91,164.17 and 21,320.21

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Solution

The fourth proportional to 60,770.05, 91,164.17 and 21,320.21 is: 31,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,770.05 : 91,164.17 = 21,320.21 : x
  2. Step 2: Convert to fraction form
    60,770.05/91,164.17 = 21,320.21/x
  3. Step 3: Cross multiply
    60,770.05x = 91,164.17 × 21,320.21
  4. Step 4: Simplify right side
    60,770.05x = 1,943,639,530.09
  5. Step 5: Solve for x
    x = 1,943,639,530.09/60,770.05
  6. Step 6: Final answer
    x = 31,983.51

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1.5x scale

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.