Home / 31,460.68-43,416.05-17,313.85

Finding the Fourth Proportional to 31,460.68, 43,416.05 and 17,313.85

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Solution

The fourth proportional to 31,460.68, 43,416.05 and 17,313.85 is: 23,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.68 : 43,416.05 = 17,313.85 : x
  2. Step 2: Convert to fraction form
    31,460.68/43,416.05 = 17,313.85/x
  3. Step 3: Cross multiply
    31,460.68x = 43,416.05 × 17,313.85
  4. Step 4: Simplify right side
    31,460.68x = 751,698,977.29
  5. Step 5: Solve for x
    x = 751,698,977.29/31,460.68
  6. Step 6: Final answer
    x = 23,893.28

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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.