Home / 51,746.78-77,620.67-28,360.46

Finding the Fourth Proportional to 51,746.78, 77,620.67 and 28,360.46

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Solution

The fourth proportional to 51,746.78, 77,620.67 and 28,360.46 is: 42,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,746.78 : 77,620.67 = 28,360.46 : x
  2. Step 2: Convert to fraction form
    51,746.78/77,620.67 = 28,360.46/x
  3. Step 3: Cross multiply
    51,746.78x = 77,620.67 × 28,360.46
  4. Step 4: Simplify right side
    51,746.78x = 2,201,357,906.71
  5. Step 5: Solve for x
    x = 2,201,357,906.71/51,746.78
  6. Step 6: Final answer
    x = 42,540.96

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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.