Home / 39,112.00-53,974.51-21,206.98

Finding the Fourth Proportional to 39,112.00, 53,974.51 and 21,206.98

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Solution

The fourth proportional to 39,112.00, 53,974.51 and 21,206.98 is: 29,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.00 : 53,974.51 = 21,206.98 : x
  2. Step 2: Convert to fraction form
    39,112.00/53,974.51 = 21,206.98/x
  3. Step 3: Cross multiply
    39,112.00x = 53,974.51 × 21,206.98
  4. Step 4: Simplify right side
    39,112.00x = 1,144,636,368.53
  5. Step 5: Solve for x
    x = 1,144,636,368.53/39,112.00
  6. Step 6: Final answer
    x = 29,265.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.