Home / 34,861-48,108.49-18,945.45

Finding the Fourth Proportional to 34,861, 48,108.49 and 18,945.45

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Solution

The fourth proportional to 34,861, 48,108.49 and 18,945.45 is: 26,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,861 : 48,108.49 = 18,945.45 : x
  2. Step 2: Convert to fraction form
    34,861/48,108.49 = 18,945.45/x
  3. Step 3: Cross multiply
    34,861x = 48,108.49 × 18,945.45
  4. Step 4: Simplify right side
    34,861x = 911,436,991.87
  5. Step 5: Solve for x
    x = 911,436,991.87/34,861
  6. Step 6: Final answer
    x = 26,144.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.