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Finding the Fourth Proportional to 34,898.63, 48,160.71 and 18,983.34

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Solution

The fourth proportional to 34,898.63, 48,160.71 and 18,983.34 is: 26,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,898.63 : 48,160.71 = 18,983.34 : x
  2. Step 2: Convert to fraction form
    34,898.63/48,160.71 = 18,983.34/x
  3. Step 3: Cross multiply
    34,898.63x = 48,160.71 × 18,983.34
  4. Step 4: Simplify right side
    34,898.63x = 914,251,132.57
  5. Step 5: Solve for x
    x = 914,251,132.57/34,898.63
  6. Step 6: Final answer
    x = 26,197.34

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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.