Home / 48,519.48-66,966.84-31,500.03

Finding the Fourth Proportional to 48,519.48, 66,966.84 and 31,500.03

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Solution

The fourth proportional to 48,519.48, 66,966.84 and 31,500.03 is: 43,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,519.48 : 66,966.84 = 31,500.03 : x
  2. Step 2: Convert to fraction form
    48,519.48/66,966.84 = 31,500.03/x
  3. Step 3: Cross multiply
    48,519.48x = 66,966.84 × 31,500.03
  4. Step 4: Simplify right side
    48,519.48x = 2,109,457,469.01
  5. Step 5: Solve for x
    x = 2,109,457,469.01/48,519.48
  6. Step 6: Final answer
    x = 43,476.51

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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.