Home / 31,314.60-46,979.19-10,254.57

Finding the Fourth Proportional to 31,314.60, 46,979.19 and 10,254.57

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Solution

The fourth proportional to 31,314.60, 46,979.19 and 10,254.57 is: 15,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,314.60 : 46,979.19 = 10,254.57 : x
  2. Step 2: Convert to fraction form
    31,314.60/46,979.19 = 10,254.57/x
  3. Step 3: Cross multiply
    31,314.60x = 46,979.19 × 10,254.57
  4. Step 4: Simplify right side
    31,314.60x = 481,751,392.40
  5. Step 5: Solve for x
    x = 481,751,392.40/31,314.60
  6. Step 6: Final answer
    x = 15,384.24

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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.