Home / 51,835.68-71,508.60-30,600.72

Finding the Fourth Proportional to 51,835.68, 71,508.60 and 30,600.72

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Solution

The fourth proportional to 51,835.68, 71,508.60 and 30,600.72 is: 42,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,835.68 : 71,508.60 = 30,600.72 : x
  2. Step 2: Convert to fraction form
    51,835.68/71,508.60 = 30,600.72/x
  3. Step 3: Cross multiply
    51,835.68x = 71,508.60 × 30,600.72
  4. Step 4: Simplify right side
    51,835.68x = 2,188,214,646.19
  5. Step 5: Solve for x
    x = 2,188,214,646.19/51,835.68
  6. Step 6: Final answer
    x = 42,214.45

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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.