Home / 38,407.82-57,616.59-18,669.74

Finding the Fourth Proportional to 38,407.82, 57,616.59 and 18,669.74

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Solution

The fourth proportional to 38,407.82, 57,616.59 and 18,669.74 is: 28,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,407.82 : 57,616.59 = 18,669.74 : x
  2. Step 2: Convert to fraction form
    38,407.82/57,616.59 = 18,669.74/x
  3. Step 3: Cross multiply
    38,407.82x = 57,616.59 × 18,669.74
  4. Step 4: Simplify right side
    38,407.82x = 1,075,686,754.99
  5. Step 5: Solve for x
    x = 1,075,686,754.99/38,407.82
  6. Step 6: Final answer
    x = 28,006.97

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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.