Home / 61,075.15-91,625.82-18,954.34

Finding the Fourth Proportional to 61,075.15, 91,625.82 and 18,954.34

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Solution

The fourth proportional to 61,075.15, 91,625.82 and 18,954.34 is: 28,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,075.15 : 91,625.82 = 18,954.34 : x
  2. Step 2: Convert to fraction form
    61,075.15/91,625.82 = 18,954.34/x
  3. Step 3: Cross multiply
    61,075.15x = 91,625.82 × 18,954.34
  4. Step 4: Simplify right side
    61,075.15x = 1,736,706,945.06
  5. Step 5: Solve for x
    x = 1,736,706,945.06/61,075.15
  6. Step 6: Final answer
    x = 28,435.57

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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.