Home / 39,640.52-59,432.30-19,904.84

Finding the Fourth Proportional to 39,640.52, 59,432.30 and 19,904.84

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Solution

The fourth proportional to 39,640.52, 59,432.30 and 19,904.84 is: 29,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,640.52 : 59,432.30 = 19,904.84 : x
  2. Step 2: Convert to fraction form
    39,640.52/59,432.30 = 19,904.84/x
  3. Step 3: Cross multiply
    39,640.52x = 59,432.30 × 19,904.84
  4. Step 4: Simplify right side
    39,640.52x = 1,182,990,422.33
  5. Step 5: Solve for x
    x = 1,182,990,422.33/39,640.52
  6. Step 6: Final answer
    x = 29,842.96

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1.5x scale

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.