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Finding the Fourth Proportional to 55,373.94, 83,057.97 and 15,929.49

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Solution

The fourth proportional to 55,373.94, 83,057.97 and 15,929.49 is: 23,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,373.94 : 83,057.97 = 15,929.49 : x
  2. Step 2: Convert to fraction form
    55,373.94/83,057.97 = 15,929.49/x
  3. Step 3: Cross multiply
    55,373.94x = 83,057.97 × 15,929.49
  4. Step 4: Simplify right side
    55,373.94x = 1,323,071,102.54
  5. Step 5: Solve for x
    x = 1,323,071,102.54/55,373.94
  6. Step 6: Final answer
    x = 23,893.39

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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.