Home / 37,720.60-52,055.30-20,725.90

Finding the Fourth Proportional to 37,720.60, 52,055.30 and 20,725.90

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Solution

The fourth proportional to 37,720.60, 52,055.30 and 20,725.90 is: 28,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720.60 : 52,055.30 = 20,725.90 : x
  2. Step 2: Convert to fraction form
    37,720.60/52,055.30 = 20,725.90/x
  3. Step 3: Cross multiply
    37,720.60x = 52,055.30 × 20,725.90
  4. Step 4: Simplify right side
    37,720.60x = 1,078,892,942.27
  5. Step 5: Solve for x
    x = 1,078,892,942.27/37,720.60
  6. Step 6: Final answer
    x = 28,602.22

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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.