Home / 20,029.75-30,051.55-7,553.35

Finding the Fourth Proportional to 20,029.75, 30,051.55 and 7,553.35

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Solution

The fourth proportional to 20,029.75, 30,051.55 and 7,553.35 is: 11,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.75 : 30,051.55 = 7,553.35 : x
  2. Step 2: Convert to fraction form
    20,029.75/30,051.55 = 7,553.35/x
  3. Step 3: Cross multiply
    20,029.75x = 30,051.55 × 7,553.35
  4. Step 4: Simplify right side
    20,029.75x = 226,989,818.95
  5. Step 5: Solve for x
    x = 226,989,818.95/20,029.75
  6. Step 6: Final answer
    x = 11,332.64

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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.