Home / 35,915.87-49,565.45-20,000.32

Finding the Fourth Proportional to 35,915.87, 49,565.45 and 20,000.32

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Solution

The fourth proportional to 35,915.87, 49,565.45 and 20,000.32 is: 27,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.87 : 49,565.45 = 20,000.32 : x
  2. Step 2: Convert to fraction form
    35,915.87/49,565.45 = 20,000.32/x
  3. Step 3: Cross multiply
    35,915.87x = 49,565.45 × 20,000.32
  4. Step 4: Simplify right side
    35,915.87x = 991,324,787.03
  5. Step 5: Solve for x
    x = 991,324,787.03/35,915.87
  6. Step 6: Final answer
    x = 27,601.30

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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.