Home / 38,075.81-57,137.33-18,356.36

Finding the Fourth Proportional to 38,075.81, 57,137.33 and 18,356.36

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Solution

The fourth proportional to 38,075.81, 57,137.33 and 18,356.36 is: 27,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,075.81 : 57,137.33 = 18,356.36 : x
  2. Step 2: Convert to fraction form
    38,075.81/57,137.33 = 18,356.36/x
  3. Step 3: Cross multiply
    38,075.81x = 57,137.33 × 18,356.36
  4. Step 4: Simplify right side
    38,075.81x = 1,048,833,159.12
  5. Step 5: Solve for x
    x = 1,048,833,159.12/38,075.81
  6. Step 6: Final answer
    x = 27,545.92

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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.