Home / 57,744.20-86,573.10-31,478.60

Finding the Fourth Proportional to 57,744.20, 86,573.10 and 31,478.60

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Solution

The fourth proportional to 57,744.20, 86,573.10 and 31,478.60 is: 47,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,744.20 : 86,573.10 = 31,478.60 : x
  2. Step 2: Convert to fraction form
    57,744.20/86,573.10 = 31,478.60/x
  3. Step 3: Cross multiply
    57,744.20x = 86,573.10 × 31,478.60
  4. Step 4: Simplify right side
    57,744.20x = 2,725,199,985.66
  5. Step 5: Solve for x
    x = 2,725,199,985.66/57,744.20
  6. Step 6: Final answer
    x = 47,194.35

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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.