Home / 33,045.48-49,551.12-13,318.68

Finding the Fourth Proportional to 33,045.48, 49,551.12 and 13,318.68

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Solution

The fourth proportional to 33,045.48, 49,551.12 and 13,318.68 is: 19,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,045.48 : 49,551.12 = 13,318.68 : x
  2. Step 2: Convert to fraction form
    33,045.48/49,551.12 = 13,318.68/x
  3. Step 3: Cross multiply
    33,045.48x = 49,551.12 × 13,318.68
  4. Step 4: Simplify right side
    33,045.48x = 659,955,510.92
  5. Step 5: Solve for x
    x = 659,955,510.92/33,045.48
  6. Step 6: Final answer
    x = 19,971.13

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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.