Home / 31,112.67-46,670.03-8,623.31

Finding the Fourth Proportional to 31,112.67, 46,670.03 and 8,623.31

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Solution

The fourth proportional to 31,112.67, 46,670.03 and 8,623.31 is: 12,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112.67 : 46,670.03 = 8,623.31 : x
  2. Step 2: Convert to fraction form
    31,112.67/46,670.03 = 8,623.31/x
  3. Step 3: Cross multiply
    31,112.67x = 46,670.03 × 8,623.31
  4. Step 4: Simplify right side
    31,112.67x = 402,449,903.05
  5. Step 5: Solve for x
    x = 402,449,903.05/31,112.67
  6. Step 6: Final answer
    x = 12,935.24

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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.