Home / 48,731.13-73,098.86-13,670.01

Finding the Fourth Proportional to 48,731.13, 73,098.86 and 13,670.01

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Solution

The fourth proportional to 48,731.13, 73,098.86 and 13,670.01 is: 20,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731.13 : 73,098.86 = 13,670.01 : x
  2. Step 2: Convert to fraction form
    48,731.13/73,098.86 = 13,670.01/x
  3. Step 3: Cross multiply
    48,731.13x = 73,098.86 × 13,670.01
  4. Step 4: Simplify right side
    48,731.13x = 999,262,078.84
  5. Step 5: Solve for x
    x = 999,262,078.84/48,731.13
  6. Step 6: Final answer
    x = 20,505.62

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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.