Home / 52,110.50-71,912.39-28,237.16

Finding the Fourth Proportional to 52,110.50, 71,912.39 and 28,237.16

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Solution

The fourth proportional to 52,110.50, 71,912.39 and 28,237.16 is: 38,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110.50 : 71,912.39 = 28,237.16 : x
  2. Step 2: Convert to fraction form
    52,110.50/71,912.39 = 28,237.16/x
  3. Step 3: Cross multiply
    52,110.50x = 71,912.39 × 28,237.16
  4. Step 4: Simplify right side
    52,110.50x = 2,030,601,161.66
  5. Step 5: Solve for x
    x = 2,030,601,161.66/52,110.50
  6. Step 6: Final answer
    x = 38,967.22

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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.