Home / 37,199.32-55,774.54-21,189.40

Finding the Fourth Proportional to 37,199.32, 55,774.54 and 21,189.40

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Solution

The fourth proportional to 37,199.32, 55,774.54 and 21,189.40 is: 31,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,199.32 : 55,774.54 = 21,189.40 : x
  2. Step 2: Convert to fraction form
    37,199.32/55,774.54 = 21,189.40/x
  3. Step 3: Cross multiply
    37,199.32x = 55,774.54 × 21,189.40
  4. Step 4: Simplify right side
    37,199.32x = 1,181,828,924.93
  5. Step 5: Solve for x
    x = 1,181,828,924.93/37,199.32
  6. Step 6: Final answer
    x = 31,770.18

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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.