Home / 48,420.42-66,816.12-26,910.78

Finding the Fourth Proportional to 48,420.42, 66,816.12 and 26,910.78

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Solution

The fourth proportional to 48,420.42, 66,816.12 and 26,910.78 is: 37,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,420.42 : 66,816.12 = 26,910.78 : x
  2. Step 2: Convert to fraction form
    48,420.42/66,816.12 = 26,910.78/x
  3. Step 3: Cross multiply
    48,420.42x = 66,816.12 × 26,910.78
  4. Step 4: Simplify right side
    48,420.42x = 1,798,073,905.77
  5. Step 5: Solve for x
    x = 1,798,073,905.77/48,420.42
  6. Step 6: Final answer
    x = 37,134.62

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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.