Home / 38,897.19-53,683.23-21,904.75

Finding the Fourth Proportional to 38,897.19, 53,683.23 and 21,904.75

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Solution

The fourth proportional to 38,897.19, 53,683.23 and 21,904.75 is: 30,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.19 : 53,683.23 = 21,904.75 : x
  2. Step 2: Convert to fraction form
    38,897.19/53,683.23 = 21,904.75/x
  3. Step 3: Cross multiply
    38,897.19x = 53,683.23 × 21,904.75
  4. Step 4: Simplify right side
    38,897.19x = 1,175,917,354.40
  5. Step 5: Solve for x
    x = 1,175,917,354.40/38,897.19
  6. Step 6: Final answer
    x = 30,231.43

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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.