Home / 30,918.31-46,381.16-10,923.66

Finding the Fourth Proportional to 30,918.31, 46,381.16 and 10,923.66

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Solution

The fourth proportional to 30,918.31, 46,381.16 and 10,923.66 is: 16,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.31 : 46,381.16 = 10,923.66 : x
  2. Step 2: Convert to fraction form
    30,918.31/46,381.16 = 10,923.66/x
  3. Step 3: Cross multiply
    30,918.31x = 46,381.16 × 10,923.66
  4. Step 4: Simplify right side
    30,918.31x = 506,652,022.25
  5. Step 5: Solve for x
    x = 506,652,022.25/30,918.31
  6. Step 6: Final answer
    x = 16,386.80

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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.