Home / 35,472.30-48,954.09-20,369.85

Finding the Fourth Proportional to 35,472.30, 48,954.09 and 20,369.85

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Solution

The fourth proportional to 35,472.30, 48,954.09 and 20,369.85 is: 28,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,472.30 : 48,954.09 = 20,369.85 : x
  2. Step 2: Convert to fraction form
    35,472.30/48,954.09 = 20,369.85/x
  3. Step 3: Cross multiply
    35,472.30x = 48,954.09 × 20,369.85
  4. Step 4: Simplify right side
    35,472.30x = 997,187,470.19
  5. Step 5: Solve for x
    x = 997,187,470.19/35,472.30
  6. Step 6: Final answer
    x = 28,111.72

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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.