Home / 60,830.84-91,251.66-21,388.28

Finding the Fourth Proportional to 60,830.84, 91,251.66 and 21,388.28

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Solution

The fourth proportional to 60,830.84, 91,251.66 and 21,388.28 is: 32,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,830.84 : 91,251.66 = 21,388.28 : x
  2. Step 2: Convert to fraction form
    60,830.84/91,251.66 = 21,388.28/x
  3. Step 3: Cross multiply
    60,830.84x = 91,251.66 × 21,388.28
  4. Step 4: Simplify right side
    60,830.84x = 1,951,716,054.54
  5. Step 5: Solve for x
    x = 1,951,716,054.54/60,830.84
  6. Step 6: Final answer
    x = 32,084.32

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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.