Home / 60,591.09-90,928.15-21,148.20

Finding the Fourth Proportional to 60,591.09, 90,928.15 and 21,148.20

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Solution

The fourth proportional to 60,591.09, 90,928.15 and 21,148.20 is: 31,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,591.09 : 90,928.15 = 21,148.20 : x
  2. Step 2: Convert to fraction form
    60,591.09/90,928.15 = 21,148.20/x
  3. Step 3: Cross multiply
    60,591.09x = 90,928.15 × 21,148.20
  4. Step 4: Simplify right side
    60,591.09x = 1,922,966,596.09
  5. Step 5: Solve for x
    x = 1,922,966,596.09/60,591.09
  6. Step 6: Final answer
    x = 31,736.79

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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.