Home / 47,984.55-71,829.18-31,308.68

Finding the Fourth Proportional to 47,984.55, 71,829.18 and 31,308.68

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Solution

The fourth proportional to 47,984.55, 71,829.18 and 31,308.68 is: 46,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,984.55 : 71,829.18 = 31,308.68 : x
  2. Step 2: Convert to fraction form
    47,984.55/71,829.18 = 31,308.68/x
  3. Step 3: Cross multiply
    47,984.55x = 71,829.18 × 31,308.68
  4. Step 4: Simplify right side
    47,984.55x = 2,248,876,586.82
  5. Step 5: Solve for x
    x = 2,248,876,586.82/47,984.55
  6. Step 6: Final answer
    x = 46,866.68

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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.