Home / 37,431.75-51,655.98-20,436.39

Finding the Fourth Proportional to 37,431.75, 51,655.98 and 20,436.39

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Solution

The fourth proportional to 37,431.75, 51,655.98 and 20,436.39 is: 28,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.75 : 51,655.98 = 20,436.39 : x
  2. Step 2: Convert to fraction form
    37,431.75/51,655.98 = 20,436.39/x
  3. Step 3: Cross multiply
    37,431.75x = 51,655.98 × 20,436.39
  4. Step 4: Simplify right side
    37,431.75x = 1,055,661,753.11
  5. Step 5: Solve for x
    x = 1,055,661,753.11/37,431.75
  6. Step 6: Final answer
    x = 28,202.31

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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.