Home / 55,213.60-76,196.62-31,018.84

Finding the Fourth Proportional to 55,213.60, 76,196.62 and 31,018.84

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Solution

The fourth proportional to 55,213.60, 76,196.62 and 31,018.84 is: 42,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,213.60 : 76,196.62 = 31,018.84 : x
  2. Step 2: Convert to fraction form
    55,213.60/76,196.62 = 31,018.84/x
  3. Step 3: Cross multiply
    55,213.60x = 76,196.62 × 31,018.84
  4. Step 4: Simplify right side
    55,213.60x = 2,363,530,764.32
  5. Step 5: Solve for x
    x = 2,363,530,764.32/55,213.60
  6. Step 6: Final answer
    x = 42,807.04

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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.