Home / 31,622.04-47,439.90-16,828.79

Finding the Fourth Proportional to 31,622.04, 47,439.90 and 16,828.79

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Solution

The fourth proportional to 31,622.04, 47,439.90 and 16,828.79 is: 25,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,622.04 : 47,439.90 = 16,828.79 : x
  2. Step 2: Convert to fraction form
    31,622.04/47,439.90 = 16,828.79/x
  3. Step 3: Cross multiply
    31,622.04x = 47,439.90 × 16,828.79
  4. Step 4: Simplify right side
    31,622.04x = 798,356,114.72
  5. Step 5: Solve for x
    x = 798,356,114.72/31,622.04
  6. Step 6: Final answer
    x = 25,246.83

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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.