Home / 31,460.30-43,415.16-17,313.14

Finding the Fourth Proportional to 31,460.30, 43,415.16 and 17,313.14

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Solution

The fourth proportional to 31,460.30, 43,415.16 and 17,313.14 is: 23,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.30 : 43,415.16 = 17,313.14 : x
  2. Step 2: Convert to fraction form
    31,460.30/43,415.16 = 17,313.14/x
  3. Step 3: Cross multiply
    31,460.30x = 43,415.16 × 17,313.14
  4. Step 4: Simplify right side
    31,460.30x = 751,652,526.13
  5. Step 5: Solve for x
    x = 751,652,526.13/31,460.30
  6. Step 6: Final answer
    x = 23,892.10

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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.