Home / 56,812.22-85,230.63-21,751.88

Finding the Fourth Proportional to 56,812.22, 85,230.63 and 21,751.88

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Solution

The fourth proportional to 56,812.22, 85,230.63 and 21,751.88 is: 32,632.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,812.22 : 85,230.63 = 21,751.88 : x
  2. Step 2: Convert to fraction form
    56,812.22/85,230.63 = 21,751.88/x
  3. Step 3: Cross multiply
    56,812.22x = 85,230.63 × 21,751.88
  4. Step 4: Simplify right side
    56,812.22x = 1,853,926,009.93
  5. Step 5: Solve for x
    x = 1,853,926,009.93/56,812.22
  6. Step 6: Final answer
    x = 32,632.52

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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.