Home / 31,492.84-43,460.07-17,345.50

Finding the Fourth Proportional to 31,492.84, 43,460.07 and 17,345.50

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Solution

The fourth proportional to 31,492.84, 43,460.07 and 17,345.50 is: 23,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492.84 : 43,460.07 = 17,345.50 : x
  2. Step 2: Convert to fraction form
    31,492.84/43,460.07 = 17,345.50/x
  3. Step 3: Cross multiply
    31,492.84x = 43,460.07 × 17,345.50
  4. Step 4: Simplify right side
    31,492.84x = 753,836,644.19
  5. Step 5: Solve for x
    x = 753,836,644.19/31,492.84
  6. Step 6: Final answer
    x = 23,936.76

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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.