Home / 31,086.78-46,639.30-10,026.40

Finding the Fourth Proportional to 31,086.78, 46,639.30 and 10,026.40

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Solution

The fourth proportional to 31,086.78, 46,639.30 and 10,026.40 is: 15,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,086.78 : 46,639.30 = 10,026.40 : x
  2. Step 2: Convert to fraction form
    31,086.78/46,639.30 = 10,026.40/x
  3. Step 3: Cross multiply
    31,086.78x = 46,639.30 × 10,026.40
  4. Step 4: Simplify right side
    31,086.78x = 467,624,277.52
  5. Step 5: Solve for x
    x = 467,624,277.52/31,086.78
  6. Step 6: Final answer
    x = 15,042.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.