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Finding the Fourth Proportional to 34,845.63, 48,085.43 and 19,737.99

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Solution

The fourth proportional to 34,845.63, 48,085.43 and 19,737.99 is: 27,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,845.63 : 48,085.43 = 19,737.99 : x
  2. Step 2: Convert to fraction form
    34,845.63/48,085.43 = 19,737.99/x
  3. Step 3: Cross multiply
    34,845.63x = 48,085.43 × 19,737.99
  4. Step 4: Simplify right side
    34,845.63x = 949,109,496.06
  5. Step 5: Solve for x
    x = 949,109,496.06/34,845.63
  6. Step 6: Final answer
    x = 27,237.55

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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.