Home / 60,839.64-91,260-21,397.05

Finding the Fourth Proportional to 60,839.64, 91,260 and 21,397.05

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Solution

The fourth proportional to 60,839.64, 91,260 and 21,397.05 is: 32,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,839.64 : 91,260 = 21,397.05 : x
  2. Step 2: Convert to fraction form
    60,839.64/91,260 = 21,397.05/x
  3. Step 3: Cross multiply
    60,839.64x = 91,260 × 21,397.05
  4. Step 4: Simplify right side
    60,839.64x = 1,952,694,783
  5. Step 5: Solve for x
    x = 1,952,694,783/60,839.64
  6. Step 6: Final answer
    x = 32,095.76

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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.