Home / 30,881.25-46,322.28-10,104.75

Finding the Fourth Proportional to 30,881.25, 46,322.28 and 10,104.75

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Solution

The fourth proportional to 30,881.25, 46,322.28 and 10,104.75 is: 15,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.25 : 46,322.28 = 10,104.75 : x
  2. Step 2: Convert to fraction form
    30,881.25/46,322.28 = 10,104.75/x
  3. Step 3: Cross multiply
    30,881.25x = 46,322.28 × 10,104.75
  4. Step 4: Simplify right side
    30,881.25x = 468,075,058.83
  5. Step 5: Solve for x
    x = 468,075,058.83/30,881.25
  6. Step 6: Final answer
    x = 15,157.26

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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.