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Finding the Fourth Proportional to 48,096.99, 72,072.59 and 30,513.51

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Solution

The fourth proportional to 48,096.99, 72,072.59 and 30,513.51 is: 45,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,096.99 : 72,072.59 = 30,513.51 : x
  2. Step 2: Convert to fraction form
    48,096.99/72,072.59 = 30,513.51/x
  3. Step 3: Cross multiply
    48,096.99x = 72,072.59 × 30,513.51
  4. Step 4: Simplify right side
    48,096.99x = 2,199,187,543.12
  5. Step 5: Solve for x
    x = 2,199,187,543.12/48,096.99
  6. Step 6: Final answer
    x = 45,724.02

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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.