Home / 36,980.25-55,444.40-12,958.68

Finding the Fourth Proportional to 36,980.25, 55,444.40 and 12,958.68

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Solution

The fourth proportional to 36,980.25, 55,444.40 and 12,958.68 is: 19,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.25 : 55,444.40 = 12,958.68 : x
  2. Step 2: Convert to fraction form
    36,980.25/55,444.40 = 12,958.68/x
  3. Step 3: Cross multiply
    36,980.25x = 55,444.40 × 12,958.68
  4. Step 4: Simplify right side
    36,980.25x = 718,486,429.11
  5. Step 5: Solve for x
    x = 718,486,429.11/36,980.25
  6. Step 6: Final answer
    x = 19,428.92

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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.