Home / 31,410.20-47,122.59-10,349.49

Finding the Fourth Proportional to 31,410.20, 47,122.59 and 10,349.49

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Solution

The fourth proportional to 31,410.20, 47,122.59 and 10,349.49 is: 15,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.20 : 47,122.59 = 10,349.49 : x
  2. Step 2: Convert to fraction form
    31,410.20/47,122.59 = 10,349.49/x
  3. Step 3: Cross multiply
    31,410.20x = 47,122.59 × 10,349.49
  4. Step 4: Simplify right side
    31,410.20x = 487,694,773.98
  5. Step 5: Solve for x
    x = 487,694,773.98/31,410.20
  6. Step 6: Final answer
    x = 15,526.64

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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.