Home / 55,049.60-75,967.20-29,898.56

Finding the Fourth Proportional to 55,049.60, 75,967.20 and 29,898.56

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Solution

The fourth proportional to 55,049.60, 75,967.20 and 29,898.56 is: 41,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049.60 : 75,967.20 = 29,898.56 : x
  2. Step 2: Convert to fraction form
    55,049.60/75,967.20 = 29,898.56/x
  3. Step 3: Cross multiply
    55,049.60x = 75,967.20 × 29,898.56
  4. Step 4: Simplify right side
    55,049.60x = 2,271,309,887.23
  5. Step 5: Solve for x
    x = 2,271,309,887.23/55,049.60
  6. Step 6: Final answer
    x = 41,259.33

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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.