Home / 35,527.62-49,031.98-20,420.94

Finding the Fourth Proportional to 35,527.62, 49,031.98 and 20,420.94

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Solution

The fourth proportional to 35,527.62, 49,031.98 and 20,420.94 is: 28,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,527.62 : 49,031.98 = 20,420.94 : x
  2. Step 2: Convert to fraction form
    35,527.62/49,031.98 = 20,420.94/x
  3. Step 3: Cross multiply
    35,527.62x = 49,031.98 × 20,420.94
  4. Step 4: Simplify right side
    35,527.62x = 1,001,279,121.66
  5. Step 5: Solve for x
    x = 1,001,279,121.66/35,527.62
  6. Step 6: Final answer
    x = 28,183.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.