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Finding the Fourth Proportional to 34,062.96, 50,946.48 and 19,989.48

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Solution

The fourth proportional to 34,062.96, 50,946.48 and 19,989.48 is: 29,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,062.96 : 50,946.48 = 19,989.48 : x
  2. Step 2: Convert to fraction form
    34,062.96/50,946.48 = 19,989.48/x
  3. Step 3: Cross multiply
    34,062.96x = 50,946.48 × 19,989.48
  4. Step 4: Simplify right side
    34,062.96x = 1,018,393,643.03
  5. Step 5: Solve for x
    x = 1,018,393,643.03/34,062.96
  6. Step 6: Final answer
    x = 29,897.39

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1.5x scale

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.