Home / 31,798.13-47,723.12-16,220.21

Finding the Fourth Proportional to 31,798.13, 47,723.12 and 16,220.21

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Solution

The fourth proportional to 31,798.13, 47,723.12 and 16,220.21 is: 24,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,798.13 : 47,723.12 = 16,220.21 : x
  2. Step 2: Convert to fraction form
    31,798.13/47,723.12 = 16,220.21/x
  3. Step 3: Cross multiply
    31,798.13x = 47,723.12 × 16,220.21
  4. Step 4: Simplify right side
    31,798.13x = 774,078,947.15
  5. Step 5: Solve for x
    x = 774,078,947.15/31,798.13
  6. Step 6: Final answer
    x = 24,343.54

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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.