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Finding the Fourth Proportional to 35,043.53, 48,358.71 and 19,127.97

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Solution

The fourth proportional to 35,043.53, 48,358.71 and 19,127.97 is: 26,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,043.53 : 48,358.71 = 19,127.97 : x
  2. Step 2: Convert to fraction form
    35,043.53/48,358.71 = 19,127.97/x
  3. Step 3: Cross multiply
    35,043.53x = 48,358.71 × 19,127.97
  4. Step 4: Simplify right side
    35,043.53x = 925,003,954.12
  5. Step 5: Solve for x
    x = 925,003,954.12/35,043.53
  6. Step 6: Final answer
    x = 26,395.86

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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.