Home / 31,460.28-43,415.16-17,312.82

Finding the Fourth Proportional to 31,460.28, 43,415.16 and 17,312.82

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Solution

The fourth proportional to 31,460.28, 43,415.16 and 17,312.82 is: 23,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.28 : 43,415.16 = 17,312.82 : x
  2. Step 2: Convert to fraction form
    31,460.28/43,415.16 = 17,312.82/x
  3. Step 3: Cross multiply
    31,460.28x = 43,415.16 × 17,312.82
  4. Step 4: Simplify right side
    31,460.28x = 751,638,850.35
  5. Step 5: Solve for x
    x = 751,638,850.35/31,460.28
  6. Step 6: Final answer
    x = 23,891.68

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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.