Home / 31,453.98-43,405.53-17,113.44

Finding the Fourth Proportional to 31,453.98, 43,405.53 and 17,113.44

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Solution

The fourth proportional to 31,453.98, 43,405.53 and 17,113.44 is: 23,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.98 : 43,405.53 = 17,113.44 : x
  2. Step 2: Convert to fraction form
    31,453.98/43,405.53 = 17,113.44/x
  3. Step 3: Cross multiply
    31,453.98x = 43,405.53 × 17,113.44
  4. Step 4: Simplify right side
    31,453.98x = 742,817,933.32
  5. Step 5: Solve for x
    x = 742,817,933.32/31,453.98
  6. Step 6: Final answer
    x = 23,616.02

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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.