Home / 48,093.12-72,143.31-14,356.47

Finding the Fourth Proportional to 48,093.12, 72,143.31 and 14,356.47

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Solution

The fourth proportional to 48,093.12, 72,143.31 and 14,356.47 is: 21,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,093.12 : 72,143.31 = 14,356.47 : x
  2. Step 2: Convert to fraction form
    48,093.12/72,143.31 = 14,356.47/x
  3. Step 3: Cross multiply
    48,093.12x = 72,143.31 × 14,356.47
  4. Step 4: Simplify right side
    48,093.12x = 1,035,723,468.96
  5. Step 5: Solve for x
    x = 1,035,723,468.96/48,093.12
  6. Step 6: Final answer
    x = 21,535.79

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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.