Home / 31,460.28-43,415.19-17,313.12

Finding the Fourth Proportional to 31,460.28, 43,415.19 and 17,313.12

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Solution

The fourth proportional to 31,460.28, 43,415.19 and 17,313.12 is: 23,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.28 : 43,415.19 = 17,313.12 : x
  2. Step 2: Convert to fraction form
    31,460.28/43,415.19 = 17,313.12/x
  3. Step 3: Cross multiply
    31,460.28x = 43,415.19 × 17,313.12
  4. Step 4: Simplify right side
    31,460.28x = 751,652,307.73
  5. Step 5: Solve for x
    x = 751,652,307.73/31,460.28
  6. Step 6: Final answer
    x = 23,892.11

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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.