Home / 43,457.12-65,075.42-36,418.63

Finding the Fourth Proportional to 43,457.12, 65,075.42 and 36,418.63

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Solution

The fourth proportional to 43,457.12, 65,075.42 and 36,418.63 is: 54,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,457.12 : 65,075.42 = 36,418.63 : x
  2. Step 2: Convert to fraction form
    43,457.12/65,075.42 = 36,418.63/x
  3. Step 3: Cross multiply
    43,457.12x = 65,075.42 × 36,418.63
  4. Step 4: Simplify right side
    43,457.12x = 2,369,957,571.43
  5. Step 5: Solve for x
    x = 2,369,957,571.43/43,457.12
  6. Step 6: Final answer
    x = 54,535.54

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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.