Home / 37,670.20-56,469.30-13,971.40

Finding the Fourth Proportional to 37,670.20, 56,469.30 and 13,971.40

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Solution

The fourth proportional to 37,670.20, 56,469.30 and 13,971.40 is: 20,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,670.20 : 56,469.30 = 13,971.40 : x
  2. Step 2: Convert to fraction form
    37,670.20/56,469.30 = 13,971.40/x
  3. Step 3: Cross multiply
    37,670.20x = 56,469.30 × 13,971.40
  4. Step 4: Simplify right side
    37,670.20x = 788,955,178.02
  5. Step 5: Solve for x
    x = 788,955,178.02/37,670.20
  6. Step 6: Final answer
    x = 20,943.75

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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.