Home / 35,915.15-49,564.68-19,999.27

Finding the Fourth Proportional to 35,915.15, 49,564.68 and 19,999.27

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Solution

The fourth proportional to 35,915.15, 49,564.68 and 19,999.27 is: 27,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.15 : 49,564.68 = 19,999.27 : x
  2. Step 2: Convert to fraction form
    35,915.15/49,564.68 = 19,999.27/x
  3. Step 3: Cross multiply
    35,915.15x = 49,564.68 × 19,999.27
  4. Step 4: Simplify right side
    35,915.15x = 991,257,417.78
  5. Step 5: Solve for x
    x = 991,257,417.78/35,915.15
  6. Step 6: Final answer
    x = 27,599.98

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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.