Home / 51,733.28-77,600.16-18,454.72

Finding the Fourth Proportional to 51,733.28, 77,600.16 and 18,454.72

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Solution

The fourth proportional to 51,733.28, 77,600.16 and 18,454.72 is: 27,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,733.28 : 77,600.16 = 18,454.72 : x
  2. Step 2: Convert to fraction form
    51,733.28/77,600.16 = 18,454.72/x
  3. Step 3: Cross multiply
    51,733.28x = 77,600.16 × 18,454.72
  4. Step 4: Simplify right side
    51,733.28x = 1,432,089,224.76
  5. Step 5: Solve for x
    x = 1,432,089,224.76/51,733.28
  6. Step 6: Final answer
    x = 27,682.17

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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.