Home / 56,740.61-85,163.48-28,680.50

Finding the Fourth Proportional to 56,740.61, 85,163.48 and 28,680.50

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Solution

The fourth proportional to 56,740.61, 85,163.48 and 28,680.50 is: 43,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,740.61 : 85,163.48 = 28,680.50 : x
  2. Step 2: Convert to fraction form
    56,740.61/85,163.48 = 28,680.50/x
  3. Step 3: Cross multiply
    56,740.61x = 85,163.48 × 28,680.50
  4. Step 4: Simplify right side
    56,740.61x = 2,442,530,618.92
  5. Step 5: Solve for x
    x = 2,442,530,618.92/56,740.61
  6. Step 6: Final answer
    x = 43,047.31

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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.