Home / 48,429.37-72,753.41-28,720.86

Finding the Fourth Proportional to 48,429.37, 72,753.41 and 28,720.86

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Solution

The fourth proportional to 48,429.37, 72,753.41 and 28,720.86 is: 43,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,429.37 : 72,753.41 = 28,720.86 : x
  2. Step 2: Convert to fraction form
    48,429.37/72,753.41 = 28,720.86/x
  3. Step 3: Cross multiply
    48,429.37x = 72,753.41 × 28,720.86
  4. Step 4: Simplify right side
    48,429.37x = 2,089,540,503.13
  5. Step 5: Solve for x
    x = 2,089,540,503.13/48,429.37
  6. Step 6: Final answer
    x = 43,146.14

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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.