Home / 31,201.82-46,798.14-10,143.78

Finding the Fourth Proportional to 31,201.82, 46,798.14 and 10,143.78

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Solution

The fourth proportional to 31,201.82, 46,798.14 and 10,143.78 is: 15,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.82 : 46,798.14 = 10,143.78 : x
  2. Step 2: Convert to fraction form
    31,201.82/46,798.14 = 10,143.78/x
  3. Step 3: Cross multiply
    31,201.82x = 46,798.14 × 10,143.78
  4. Step 4: Simplify right side
    31,201.82x = 474,710,036.57
  5. Step 5: Solve for x
    x = 474,710,036.57/31,201.82
  6. Step 6: Final answer
    x = 15,214.18

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1.5x scale

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.