Home / 48,141.08-72,207.50-18,898.87

Finding the Fourth Proportional to 48,141.08, 72,207.50 and 18,898.87

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Solution

The fourth proportional to 48,141.08, 72,207.50 and 18,898.87 is: 28,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,141.08 : 72,207.50 = 18,898.87 : x
  2. Step 2: Convert to fraction form
    48,141.08/72,207.50 = 18,898.87/x
  3. Step 3: Cross multiply
    48,141.08x = 72,207.50 × 18,898.87
  4. Step 4: Simplify right side
    48,141.08x = 1,364,640,122.21
  5. Step 5: Solve for x
    x = 1,364,640,122.21/48,141.08
  6. Step 6: Final answer
    x = 28,346.68

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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.