Home / 55,358.96-76,395.12-31,485.44

Finding the Fourth Proportional to 55,358.96, 76,395.12 and 31,485.44

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Solution

The fourth proportional to 55,358.96, 76,395.12 and 31,485.44 is: 43,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,358.96 : 76,395.12 = 31,485.44 : x
  2. Step 2: Convert to fraction form
    55,358.96/76,395.12 = 31,485.44/x
  3. Step 3: Cross multiply
    55,358.96x = 76,395.12 × 31,485.44
  4. Step 4: Simplify right side
    55,358.96x = 2,405,333,967.05
  5. Step 5: Solve for x
    x = 2,405,333,967.05/55,358.96
  6. Step 6: Final answer
    x = 43,449.77

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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.