Home / 51,683.60-71,331.14-31,552.18

Finding the Fourth Proportional to 51,683.60, 71,331.14 and 31,552.18

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Solution

The fourth proportional to 51,683.60, 71,331.14 and 31,552.18 is: 43,546.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,683.60 : 71,331.14 = 31,552.18 : x
  2. Step 2: Convert to fraction form
    51,683.60/71,331.14 = 31,552.18/x
  3. Step 3: Cross multiply
    51,683.60x = 71,331.14 × 31,552.18
  4. Step 4: Simplify right side
    51,683.60x = 2,250,652,968.89
  5. Step 5: Solve for x
    x = 2,250,652,968.89/51,683.60
  6. Step 6: Final answer
    x = 43,546.75

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1.5x scale

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.