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Finding the Fourth Proportional to 58,182.79, 80,273.79 and 35,510.43

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Solution

The fourth proportional to 58,182.79, 80,273.79 and 35,510.43 is: 48,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,182.79 : 80,273.79 = 35,510.43 : x
  2. Step 2: Convert to fraction form
    58,182.79/80,273.79 = 35,510.43/x
  3. Step 3: Cross multiply
    58,182.79x = 80,273.79 × 35,510.43
  4. Step 4: Simplify right side
    58,182.79x = 2,850,556,800.63
  5. Step 5: Solve for x
    x = 2,850,556,800.63/58,182.79
  6. Step 6: Final answer
    x = 48,993.13

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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.