Home / 20,001.23-30,001.48-5,970.78

Finding the Fourth Proportional to 20,001.23, 30,001.48 and 5,970.78

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Solution

The fourth proportional to 20,001.23, 30,001.48 and 5,970.78 is: 8,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.23 : 30,001.48 = 5,970.78 : x
  2. Step 2: Convert to fraction form
    20,001.23/30,001.48 = 5,970.78/x
  3. Step 3: Cross multiply
    20,001.23x = 30,001.48 × 5,970.78
  4. Step 4: Simplify right side
    20,001.23x = 179,132,236.75
  5. Step 5: Solve for x
    x = 179,132,236.75/20,001.23
  6. Step 6: Final answer
    x = 8,956.06

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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.