Home / 31,492.89-43,459.61-17,345.43

Finding the Fourth Proportional to 31,492.89, 43,459.61 and 17,345.43

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Solution

The fourth proportional to 31,492.89, 43,459.61 and 17,345.43 is: 23,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492.89 : 43,459.61 = 17,345.43 : x
  2. Step 2: Convert to fraction form
    31,492.89/43,459.61 = 17,345.43/x
  3. Step 3: Cross multiply
    31,492.89x = 43,459.61 × 17,345.43
  4. Step 4: Simplify right side
    31,492.89x = 753,825,536.36
  5. Step 5: Solve for x
    x = 753,825,536.36/31,492.89
  6. Step 6: Final answer
    x = 23,936.37

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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.