Home / 48,905.48-67,505.64-28,761.50

Finding the Fourth Proportional to 48,905.48, 67,505.64 and 28,761.50

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Solution

The fourth proportional to 48,905.48, 67,505.64 and 28,761.50 is: 39,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,905.48 : 67,505.64 = 28,761.50 : x
  2. Step 2: Convert to fraction form
    48,905.48/67,505.64 = 28,761.50/x
  3. Step 3: Cross multiply
    48,905.48x = 67,505.64 × 28,761.50
  4. Step 4: Simplify right side
    48,905.48x = 1,941,563,464.86
  5. Step 5: Solve for x
    x = 1,941,563,464.86/48,905.48
  6. Step 6: Final answer
    x = 39,700.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.