Home / 31,348.08-43,260.35-17,919.63

Finding the Fourth Proportional to 31,348.08, 43,260.35 and 17,919.63

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Solution

The fourth proportional to 31,348.08, 43,260.35 and 17,919.63 is: 24,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,348.08 : 43,260.35 = 17,919.63 : x
  2. Step 2: Convert to fraction form
    31,348.08/43,260.35 = 17,919.63/x
  3. Step 3: Cross multiply
    31,348.08x = 43,260.35 × 17,919.63
  4. Step 4: Simplify right side
    31,348.08x = 775,209,465.67
  5. Step 5: Solve for x
    x = 775,209,465.67/31,348.08
  6. Step 6: Final answer
    x = 24,729.09

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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.