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Finding the Fourth Proportional to 53,174.80, 79,737.81 and 18,100.18

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Solution

The fourth proportional to 53,174.80, 79,737.81 and 18,100.18 is: 27,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,174.80 : 79,737.81 = 18,100.18 : x
  2. Step 2: Convert to fraction form
    53,174.80/79,737.81 = 18,100.18/x
  3. Step 3: Cross multiply
    53,174.80x = 79,737.81 × 18,100.18
  4. Step 4: Simplify right side
    53,174.80x = 1,443,268,713.81
  5. Step 5: Solve for x
    x = 1,443,268,713.81/53,174.80
  6. Step 6: Final answer
    x = 27,141.97

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1.5x scale

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.