Home / 20,125.23-30,187.83-5,335.64

Finding the Fourth Proportional to 20,125.23, 30,187.83 and 5,335.64

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Solution

The fourth proportional to 20,125.23, 30,187.83 and 5,335.64 is: 8,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.23 : 30,187.83 = 5,335.64 : x
  2. Step 2: Convert to fraction form
    20,125.23/30,187.83 = 5,335.64/x
  3. Step 3: Cross multiply
    20,125.23x = 30,187.83 × 5,335.64
  4. Step 4: Simplify right side
    20,125.23x = 161,071,242.32
  5. Step 5: Solve for x
    x = 161,071,242.32/20,125.23
  6. Step 6: Final answer
    x = 8,003.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.