Home / 30,075.36-41,408.89-26,487.78

Finding the Fourth Proportional to 30,075.36, 41,408.89 and 26,487.78

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Solution

The fourth proportional to 30,075.36, 41,408.89 and 26,487.78 is: 36,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075.36 : 41,408.89 = 26,487.78 : x
  2. Step 2: Convert to fraction form
    30,075.36/41,408.89 = 26,487.78/x
  3. Step 3: Cross multiply
    30,075.36x = 41,408.89 × 26,487.78
  4. Step 4: Simplify right side
    30,075.36x = 1,096,829,568.36
  5. Step 5: Solve for x
    x = 1,096,829,568.36/30,075.36
  6. Step 6: Final answer
    x = 36,469.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.