Home / 31,259.81-46,887.89-9,072.69

Finding the Fourth Proportional to 31,259.81, 46,887.89 and 9,072.69

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Solution

The fourth proportional to 31,259.81, 46,887.89 and 9,072.69 is: 13,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,259.81 : 46,887.89 = 9,072.69 : x
  2. Step 2: Convert to fraction form
    31,259.81/46,887.89 = 9,072.69/x
  3. Step 3: Cross multiply
    31,259.81x = 46,887.89 × 9,072.69
  4. Step 4: Simplify right side
    31,259.81x = 425,399,245.36
  5. Step 5: Solve for x
    x = 425,399,245.36/31,259.81
  6. Step 6: Final answer
    x = 13,608.51

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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.