Home / 31,575.72-43,573.86-17,428.62

Finding the Fourth Proportional to 31,575.72, 43,573.86 and 17,428.62

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Solution

The fourth proportional to 31,575.72, 43,573.86 and 17,428.62 is: 24,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575.72 : 43,573.86 = 17,428.62 : x
  2. Step 2: Convert to fraction form
    31,575.72/43,573.86 = 17,428.62/x
  3. Step 3: Cross multiply
    31,575.72x = 43,573.86 × 17,428.62
  4. Step 4: Simplify right side
    31,575.72x = 759,432,247.87
  5. Step 5: Solve for x
    x = 759,432,247.87/31,575.72
  6. Step 6: Final answer
    x = 24,051.15

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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.