Home / 36,932.32-55,447.68-31,421.08

Finding the Fourth Proportional to 36,932.32, 55,447.68 and 31,421.08

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Solution

The fourth proportional to 36,932.32, 55,447.68 and 31,421.08 is: 47,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,932.32 : 55,447.68 = 31,421.08 : x
  2. Step 2: Convert to fraction form
    36,932.32/55,447.68 = 31,421.08/x
  3. Step 3: Cross multiply
    36,932.32x = 55,447.68 × 31,421.08
  4. Step 4: Simplify right side
    36,932.32x = 1,742,225,989.09
  5. Step 5: Solve for x
    x = 1,742,225,989.09/36,932.32
  6. Step 6: Final answer
    x = 47,173.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.