Home / 39,706.73-54,795.40-21,802.90

Finding the Fourth Proportional to 39,706.73, 54,795.40 and 21,802.90

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Solution

The fourth proportional to 39,706.73, 54,795.40 and 21,802.90 is: 30,088.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,706.73 : 54,795.40 = 21,802.90 : x
  2. Step 2: Convert to fraction form
    39,706.73/54,795.40 = 21,802.90/x
  3. Step 3: Cross multiply
    39,706.73x = 54,795.40 × 21,802.90
  4. Step 4: Simplify right side
    39,706.73x = 1,194,698,626.66
  5. Step 5: Solve for x
    x = 1,194,698,626.66/39,706.73
  6. Step 6: Final answer
    x = 30,088.06

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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.