Home / 48,345.12-72,524.60-21,357.52

Finding the Fourth Proportional to 48,345.12, 72,524.60 and 21,357.52

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Solution

The fourth proportional to 48,345.12, 72,524.60 and 21,357.52 is: 32,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,345.12 : 72,524.60 = 21,357.52 : x
  2. Step 2: Convert to fraction form
    48,345.12/72,524.60 = 21,357.52/x
  3. Step 3: Cross multiply
    48,345.12x = 72,524.60 × 21,357.52
  4. Step 4: Simplify right side
    48,345.12x = 1,548,945,594.99
  5. Step 5: Solve for x
    x = 1,548,945,594.99/48,345.12
  6. Step 6: Final answer
    x = 32,039.34

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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.