Home / 39,678.45-59,517.06-16,288.48

Finding the Fourth Proportional to 39,678.45, 59,517.06 and 16,288.48

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Solution

The fourth proportional to 39,678.45, 59,517.06 and 16,288.48 is: 24,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.45 : 59,517.06 = 16,288.48 : x
  2. Step 2: Convert to fraction form
    39,678.45/59,517.06 = 16,288.48/x
  3. Step 3: Cross multiply
    39,678.45x = 59,517.06 × 16,288.48
  4. Step 4: Simplify right side
    39,678.45x = 969,442,441.47
  5. Step 5: Solve for x
    x = 969,442,441.47/39,678.45
  6. Step 6: Final answer
    x = 24,432.47

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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.