Home / 51,971.44-77,956.98-18,691.45

Finding the Fourth Proportional to 51,971.44, 77,956.98 and 18,691.45

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Solution

The fourth proportional to 51,971.44, 77,956.98 and 18,691.45 is: 28,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,971.44 : 77,956.98 = 18,691.45 : x
  2. Step 2: Convert to fraction form
    51,971.44/77,956.98 = 18,691.45/x
  3. Step 3: Cross multiply
    51,971.44x = 77,956.98 × 18,691.45
  4. Step 4: Simplify right side
    51,971.44x = 1,457,128,724.35
  5. Step 5: Solve for x
    x = 1,457,128,724.35/51,971.44
  6. Step 6: Final answer
    x = 28,037.11

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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.