Home / 20,202.56-30,256.84-19,501.76

Finding the Fourth Proportional to 20,202.56, 30,256.84 and 19,501.76

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Solution

The fourth proportional to 20,202.56, 30,256.84 and 19,501.76 is: 29,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.56 : 30,256.84 = 19,501.76 : x
  2. Step 2: Convert to fraction form
    20,202.56/30,256.84 = 19,501.76/x
  3. Step 3: Cross multiply
    20,202.56x = 30,256.84 × 19,501.76
  4. Step 4: Simplify right side
    20,202.56x = 590,061,632.04
  5. Step 5: Solve for x
    x = 590,061,632.04/20,202.56
  6. Step 6: Final answer
    x = 29,207.27

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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.