Home / 43,075.85-64,606.49-11,903.81

Finding the Fourth Proportional to 43,075.85, 64,606.49 and 11,903.81

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Solution

The fourth proportional to 43,075.85, 64,606.49 and 11,903.81 is: 17,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,075.85 : 64,606.49 = 11,903.81 : x
  2. Step 2: Convert to fraction form
    43,075.85/64,606.49 = 11,903.81/x
  3. Step 3: Cross multiply
    43,075.85x = 64,606.49 × 11,903.81
  4. Step 4: Simplify right side
    43,075.85x = 769,063,483.72
  5. Step 5: Solve for x
    x = 769,063,483.72/43,075.85
  6. Step 6: Final answer
    x = 17,853.70

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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.