Home / 31,445.64-43,396.20-17,299.08

Finding the Fourth Proportional to 31,445.64, 43,396.20 and 17,299.08

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Solution

The fourth proportional to 31,445.64, 43,396.20 and 17,299.08 is: 23,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.64 : 43,396.20 = 17,299.08 : x
  2. Step 2: Convert to fraction form
    31,445.64/43,396.20 = 17,299.08/x
  3. Step 3: Cross multiply
    31,445.64x = 43,396.20 × 17,299.08
  4. Step 4: Simplify right side
    31,445.64x = 750,714,335.50
  5. Step 5: Solve for x
    x = 750,714,335.50/31,445.64
  6. Step 6: Final answer
    x = 23,873.40

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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.