Home / 37,720.80-52,055.60-20,724.89

Finding the Fourth Proportional to 37,720.80, 52,055.60 and 20,724.89

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Solution

The fourth proportional to 37,720.80, 52,055.60 and 20,724.89 is: 28,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720.80 : 52,055.60 = 20,724.89 : x
  2. Step 2: Convert to fraction form
    37,720.80/52,055.60 = 20,724.89/x
  3. Step 3: Cross multiply
    37,720.80x = 52,055.60 × 20,724.89
  4. Step 4: Simplify right side
    37,720.80x = 1,078,846,219.98
  5. Step 5: Solve for x
    x = 1,078,846,219.98/37,720.80
  6. Step 6: Final answer
    x = 28,600.83

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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.