Home / 31,624.11-47,430.68-11,902.82

Finding the Fourth Proportional to 31,624.11, 47,430.68 and 11,902.82

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Solution

The fourth proportional to 31,624.11, 47,430.68 and 11,902.82 is: 17,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.11 : 47,430.68 = 11,902.82 : x
  2. Step 2: Convert to fraction form
    31,624.11/47,430.68 = 11,902.82/x
  3. Step 3: Cross multiply
    31,624.11x = 47,430.68 × 11,902.82
  4. Step 4: Simplify right side
    31,624.11x = 564,558,549.85
  5. Step 5: Solve for x
    x = 564,558,549.85/31,624.11
  6. Step 6: Final answer
    x = 17,852.16

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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.