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Finding the Fourth Proportional to 56,415.83, 84,566.79 and 35,370.66

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Solution

The fourth proportional to 56,415.83, 84,566.79 and 35,370.66 is: 53,020.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,415.83 : 84,566.79 = 35,370.66 : x
  2. Step 2: Convert to fraction form
    56,415.83/84,566.79 = 35,370.66/x
  3. Step 3: Cross multiply
    56,415.83x = 84,566.79 × 35,370.66
  4. Step 4: Simplify right side
    56,415.83x = 2,991,183,176.38
  5. Step 5: Solve for x
    x = 2,991,183,176.38/56,415.83
  6. Step 6: Final answer
    x = 53,020.28

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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.