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Finding the Fourth Proportional to 58,047.66, 80,105.70 and 33,849.60

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Solution

The fourth proportional to 58,047.66, 80,105.70 and 33,849.60 is: 46,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,047.66 : 80,105.70 = 33,849.60 : x
  2. Step 2: Convert to fraction form
    58,047.66/80,105.70 = 33,849.60/x
  3. Step 3: Cross multiply
    58,047.66x = 80,105.70 × 33,849.60
  4. Step 4: Simplify right side
    58,047.66x = 2,711,545,902.72
  5. Step 5: Solve for x
    x = 2,711,545,902.72/58,047.66
  6. Step 6: Final answer
    x = 46,712.41

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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.