Home / 31,750.57-47,635.10-14,216.30

Finding the Fourth Proportional to 31,750.57, 47,635.10 and 14,216.30

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Solution

The fourth proportional to 31,750.57, 47,635.10 and 14,216.30 is: 21,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750.57 : 47,635.10 = 14,216.30 : x
  2. Step 2: Convert to fraction form
    31,750.57/47,635.10 = 14,216.30/x
  3. Step 3: Cross multiply
    31,750.57x = 47,635.10 × 14,216.30
  4. Step 4: Simplify right side
    31,750.57x = 677,194,872.13
  5. Step 5: Solve for x
    x = 677,194,872.13/31,750.57
  6. Step 6: Final answer
    x = 21,328.59

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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.