Home / 48,864.53-67,440.31-30,961.22

Finding the Fourth Proportional to 48,864.53, 67,440.31 and 30,961.22

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Solution

The fourth proportional to 48,864.53, 67,440.31 and 30,961.22 is: 42,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,864.53 : 67,440.31 = 30,961.22 : x
  2. Step 2: Convert to fraction form
    48,864.53/67,440.31 = 30,961.22/x
  3. Step 3: Cross multiply
    48,864.53x = 67,440.31 × 30,961.22
  4. Step 4: Simplify right side
    48,864.53x = 2,088,033,860.17
  5. Step 5: Solve for x
    x = 2,088,033,860.17/48,864.53
  6. Step 6: Final answer
    x = 42,731.07

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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.