Home / 48,406.60-72,591.24-18,820.48

Finding the Fourth Proportional to 48,406.60, 72,591.24 and 18,820.48

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Solution

The fourth proportional to 48,406.60, 72,591.24 and 18,820.48 is: 28,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,406.60 : 72,591.24 = 18,820.48 : x
  2. Step 2: Convert to fraction form
    48,406.60/72,591.24 = 18,820.48/x
  3. Step 3: Cross multiply
    48,406.60x = 72,591.24 × 18,820.48
  4. Step 4: Simplify right side
    48,406.60x = 1,366,201,980.60
  5. Step 5: Solve for x
    x = 1,366,201,980.60/48,406.60
  6. Step 6: Final answer
    x = 28,223.46

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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.