Home / 31,880.08-43,992.72-17,730.16

Finding the Fourth Proportional to 31,880.08, 43,992.72 and 17,730.16

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Solution

The fourth proportional to 31,880.08, 43,992.72 and 17,730.16 is: 24,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.08 : 43,992.72 = 17,730.16 : x
  2. Step 2: Convert to fraction form
    31,880.08/43,992.72 = 17,730.16/x
  3. Step 3: Cross multiply
    31,880.08x = 43,992.72 × 17,730.16
  4. Step 4: Simplify right side
    31,880.08x = 779,997,964.44
  5. Step 5: Solve for x
    x = 779,997,964.44/31,880.08
  6. Step 6: Final answer
    x = 24,466.63

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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.