Home / 43,654.88-65,491.42-14,075.70

Finding the Fourth Proportional to 43,654.88, 65,491.42 and 14,075.70

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Solution

The fourth proportional to 43,654.88, 65,491.42 and 14,075.70 is: 21,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,654.88 : 65,491.42 = 14,075.70 : x
  2. Step 2: Convert to fraction form
    43,654.88/65,491.42 = 14,075.70/x
  3. Step 3: Cross multiply
    43,654.88x = 65,491.42 × 14,075.70
  4. Step 4: Simplify right side
    43,654.88x = 921,837,580.49
  5. Step 5: Solve for x
    x = 921,837,580.49/43,654.88
  6. Step 6: Final answer
    x = 21,116.48

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1.5x scale

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.