Home / 38,603.34-57,915.96-19,897.08

Finding the Fourth Proportional to 38,603.34, 57,915.96 and 19,897.08

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Solution

The fourth proportional to 38,603.34, 57,915.96 and 19,897.08 is: 29,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,603.34 : 57,915.96 = 19,897.08 : x
  2. Step 2: Convert to fraction form
    38,603.34/57,915.96 = 19,897.08/x
  3. Step 3: Cross multiply
    38,603.34x = 57,915.96 × 19,897.08
  4. Step 4: Simplify right side
    38,603.34x = 1,152,358,489.40
  5. Step 5: Solve for x
    x = 1,152,358,489.40/38,603.34
  6. Step 6: Final answer
    x = 29,851.26

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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.