Home / 31,396.61-43,328.12-17,056.44

Finding the Fourth Proportional to 31,396.61, 43,328.12 and 17,056.44

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Solution

The fourth proportional to 31,396.61, 43,328.12 and 17,056.44 is: 23,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.61 : 43,328.12 = 17,056.44 : x
  2. Step 2: Convert to fraction form
    31,396.61/43,328.12 = 17,056.44/x
  3. Step 3: Cross multiply
    31,396.61x = 43,328.12 × 17,056.44
  4. Step 4: Simplify right side
    31,396.61x = 739,023,393.81
  5. Step 5: Solve for x
    x = 739,023,393.81/31,396.61
  6. Step 6: Final answer
    x = 23,538.32

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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.