Home / 69,075.59-103,613.39-19,155.69

Finding the Fourth Proportional to 69,075.59, 103,613.39 and 19,155.69

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Solution

The fourth proportional to 69,075.59, 103,613.39 and 19,155.69 is: 28,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,075.59 : 103,613.39 = 19,155.69 : x
  2. Step 2: Convert to fraction form
    69,075.59/103,613.39 = 19,155.69/x
  3. Step 3: Cross multiply
    69,075.59x = 103,613.39 × 19,155.69
  4. Step 4: Simplify right side
    69,075.59x = 1,984,785,882.91
  5. Step 5: Solve for x
    x = 1,984,785,882.91/69,075.59
  6. Step 6: Final answer
    x = 28,733.54

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Similar ratio
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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.