Home / 43,075.44-64,613.52-11,913.12

Finding the Fourth Proportional to 43,075.44, 64,613.52 and 11,913.12

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Solution

The fourth proportional to 43,075.44, 64,613.52 and 11,913.12 is: 17,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,075.44 : 64,613.52 = 11,913.12 : x
  2. Step 2: Convert to fraction form
    43,075.44/64,613.52 = 11,913.12/x
  3. Step 3: Cross multiply
    43,075.44x = 64,613.52 × 11,913.12
  4. Step 4: Simplify right side
    43,075.44x = 769,748,617.38
  5. Step 5: Solve for x
    x = 769,748,617.38/43,075.44
  6. Step 6: Final answer
    x = 17,869.78

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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.