Home / 55,448.30-76,532.39-31,589.15

Finding the Fourth Proportional to 55,448.30, 76,532.39 and 31,589.15

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Solution

The fourth proportional to 55,448.30, 76,532.39 and 31,589.15 is: 43,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,448.30 : 76,532.39 = 31,589.15 : x
  2. Step 2: Convert to fraction form
    55,448.30/76,532.39 = 31,589.15/x
  3. Step 3: Cross multiply
    55,448.30x = 76,532.39 × 31,589.15
  4. Step 4: Simplify right side
    55,448.30x = 2,417,592,606.96
  5. Step 5: Solve for x
    x = 2,417,592,606.96/55,448.30
  6. Step 6: Final answer
    x = 43,600.85

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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.