Home / 29,448.41-40,639.30-16,019.74

Finding the Fourth Proportional to 29,448.41, 40,639.30 and 16,019.74

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Solution

The fourth proportional to 29,448.41, 40,639.30 and 16,019.74 is: 22,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,448.41 : 40,639.30 = 16,019.74 : x
  2. Step 2: Convert to fraction form
    29,448.41/40,639.30 = 16,019.74/x
  3. Step 3: Cross multiply
    29,448.41x = 40,639.30 × 16,019.74
  4. Step 4: Simplify right side
    29,448.41x = 651,031,019.78
  5. Step 5: Solve for x
    x = 651,031,019.78/29,448.41
  6. Step 6: Final answer
    x = 22,107.51

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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.