Home / 31,830.09-43,925.55-17,490.84

Finding the Fourth Proportional to 31,830.09, 43,925.55 and 17,490.84

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Solution

The fourth proportional to 31,830.09, 43,925.55 and 17,490.84 is: 24,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,830.09 : 43,925.55 = 17,490.84 : x
  2. Step 2: Convert to fraction form
    31,830.09/43,925.55 = 17,490.84/x
  3. Step 3: Cross multiply
    31,830.09x = 43,925.55 × 17,490.84
  4. Step 4: Simplify right side
    31,830.09x = 768,294,766.96
  5. Step 5: Solve for x
    x = 768,294,766.96/31,830.09
  6. Step 6: Final answer
    x = 24,137.37

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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.