Home / 39,653.20-59,518.68-30,205.36

Finding the Fourth Proportional to 39,653.20, 59,518.68 and 30,205.36

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Solution

The fourth proportional to 39,653.20, 59,518.68 and 30,205.36 is: 45,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,653.20 : 59,518.68 = 30,205.36 : x
  2. Step 2: Convert to fraction form
    39,653.20/59,518.68 = 30,205.36/x
  3. Step 3: Cross multiply
    39,653.20x = 59,518.68 × 30,205.36
  4. Step 4: Simplify right side
    39,653.20x = 1,797,783,156.12
  5. Step 5: Solve for x
    x = 1,797,783,156.12/39,653.20
  6. Step 6: Final answer
    x = 45,337.66

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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.