Home / 48,400.64-72,582.16-18,814.56

Finding the Fourth Proportional to 48,400.64, 72,582.16 and 18,814.56

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Solution

The fourth proportional to 48,400.64, 72,582.16 and 18,814.56 is: 28,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,400.64 : 72,582.16 = 18,814.56 : x
  2. Step 2: Convert to fraction form
    48,400.64/72,582.16 = 18,814.56/x
  3. Step 3: Cross multiply
    48,400.64x = 72,582.16 × 18,814.56
  4. Step 4: Simplify right side
    48,400.64x = 1,365,601,404.25
  5. Step 5: Solve for x
    x = 1,365,601,404.25/48,400.64
  6. Step 6: Final answer
    x = 28,214.53

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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.