Home / 35,915.52-49,565.44-19,999.36

Finding the Fourth Proportional to 35,915.52, 49,565.44 and 19,999.36

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Solution

The fourth proportional to 35,915.52, 49,565.44 and 19,999.36 is: 27,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.52 : 49,565.44 = 19,999.36 : x
  2. Step 2: Convert to fraction form
    35,915.52/49,565.44 = 19,999.36/x
  3. Step 3: Cross multiply
    35,915.52x = 49,565.44 × 19,999.36
  4. Step 4: Simplify right side
    35,915.52x = 991,277,078.12
  5. Step 5: Solve for x
    x = 991,277,078.12/35,915.52
  6. Step 6: Final answer
    x = 27,600.24

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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.