Home / 61,293.34-84,580.20-34,430.60

Finding the Fourth Proportional to 61,293.34, 84,580.20 and 34,430.60

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Solution

The fourth proportional to 61,293.34, 84,580.20 and 34,430.60 is: 47,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,293.34 : 84,580.20 = 34,430.60 : x
  2. Step 2: Convert to fraction form
    61,293.34/84,580.20 = 34,430.60/x
  3. Step 3: Cross multiply
    61,293.34x = 84,580.20 × 34,430.60
  4. Step 4: Simplify right side
    61,293.34x = 2,912,147,245.57
  5. Step 5: Solve for x
    x = 2,912,147,245.57/61,293.34
  6. Step 6: Final answer
    x = 47,511.64

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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.