Home / 31,071.24-42,878.97-16,924.05

Finding the Fourth Proportional to 31,071.24, 42,878.97 and 16,924.05

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Solution

The fourth proportional to 31,071.24, 42,878.97 and 16,924.05 is: 23,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,071.24 : 42,878.97 = 16,924.05 : x
  2. Step 2: Convert to fraction form
    31,071.24/42,878.97 = 16,924.05/x
  3. Step 3: Cross multiply
    31,071.24x = 42,878.97 × 16,924.05
  4. Step 4: Simplify right side
    31,071.24x = 725,685,832.23
  5. Step 5: Solve for x
    x = 725,685,832.23/31,071.24
  6. Step 6: Final answer
    x = 23,355.55

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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.