Home / 31,751.04-47,635.82-14,216.76

Finding the Fourth Proportional to 31,751.04, 47,635.82 and 14,216.76

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Solution

The fourth proportional to 31,751.04, 47,635.82 and 14,216.76 is: 21,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751.04 : 47,635.82 = 14,216.76 : x
  2. Step 2: Convert to fraction form
    31,751.04/47,635.82 = 14,216.76/x
  3. Step 3: Cross multiply
    31,751.04x = 47,635.82 × 14,216.76
  4. Step 4: Simplify right side
    31,751.04x = 677,226,949.26
  5. Step 5: Solve for x
    x = 677,226,949.26/31,751.04
  6. Step 6: Final answer
    x = 21,329.28

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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.