Home / 29,306.49-40,440.60-16,560.78

Finding the Fourth Proportional to 29,306.49, 40,440.60 and 16,560.78

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Solution

The fourth proportional to 29,306.49, 40,440.60 and 16,560.78 is: 22,852.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,306.49 : 40,440.60 = 16,560.78 : x
  2. Step 2: Convert to fraction form
    29,306.49/40,440.60 = 16,560.78/x
  3. Step 3: Cross multiply
    29,306.49x = 40,440.60 × 16,560.78
  4. Step 4: Simplify right side
    29,306.49x = 669,727,879.67
  5. Step 5: Solve for x
    x = 669,727,879.67/29,306.49
  6. Step 6: Final answer
    x = 22,852.54

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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.