Home / 53,296.30-79,902.28-20,012.66

Finding the Fourth Proportional to 53,296.30, 79,902.28 and 20,012.66

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Solution

The fourth proportional to 53,296.30, 79,902.28 and 20,012.66 is: 30,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,296.30 : 79,902.28 = 20,012.66 : x
  2. Step 2: Convert to fraction form
    53,296.30/79,902.28 = 20,012.66/x
  3. Step 3: Cross multiply
    53,296.30x = 79,902.28 × 20,012.66
  4. Step 4: Simplify right side
    53,296.30x = 1,599,057,012.96
  5. Step 5: Solve for x
    x = 1,599,057,012.96/53,296.30
  6. Step 6: Final answer
    x = 30,003.15

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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.