Home / 39,802.03-54,926.40-21,897.05

Finding the Fourth Proportional to 39,802.03, 54,926.40 and 21,897.05

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Solution

The fourth proportional to 39,802.03, 54,926.40 and 21,897.05 is: 30,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,802.03 : 54,926.40 = 21,897.05 : x
  2. Step 2: Convert to fraction form
    39,802.03/54,926.40 = 21,897.05/x
  3. Step 3: Cross multiply
    39,802.03x = 54,926.40 × 21,897.05
  4. Step 4: Simplify right side
    39,802.03x = 1,202,726,127.12
  5. Step 5: Solve for x
    x = 1,202,726,127.12/39,802.03
  6. Step 6: Final answer
    x = 30,217.71

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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.