Home / 60,546.36-90,815.85-28,978.86

Finding the Fourth Proportional to 60,546.36, 90,815.85 and 28,978.86

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Solution

The fourth proportional to 60,546.36, 90,815.85 and 28,978.86 is: 43,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,546.36 : 90,815.85 = 28,978.86 : x
  2. Step 2: Convert to fraction form
    60,546.36/90,815.85 = 28,978.86/x
  3. Step 3: Cross multiply
    60,546.36x = 90,815.85 × 28,978.86
  4. Step 4: Simplify right side
    60,546.36x = 2,631,739,802.93
  5. Step 5: Solve for x
    x = 2,631,739,802.93/60,546.36
  6. Step 6: Final answer
    x = 43,466.52

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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.