Home / 45,319.34-67,985.90-23,120.59

Finding the Fourth Proportional to 45,319.34, 67,985.90 and 23,120.59

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Solution

The fourth proportional to 45,319.34, 67,985.90 and 23,120.59 is: 34,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319.34 : 67,985.90 = 23,120.59 : x
  2. Step 2: Convert to fraction form
    45,319.34/67,985.90 = 23,120.59/x
  3. Step 3: Cross multiply
    45,319.34x = 67,985.90 × 23,120.59
  4. Step 4: Simplify right side
    45,319.34x = 1,571,873,664.15
  5. Step 5: Solve for x
    x = 1,571,873,664.15/45,319.34
  6. Step 6: Final answer
    x = 34,684.39

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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.