Home / 38,338.18-52,907.18-21,112.57

Finding the Fourth Proportional to 38,338.18, 52,907.18 and 21,112.57

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Solution

The fourth proportional to 38,338.18, 52,907.18 and 21,112.57 is: 29,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,338.18 : 52,907.18 = 21,112.57 : x
  2. Step 2: Convert to fraction form
    38,338.18/52,907.18 = 21,112.57/x
  3. Step 3: Cross multiply
    38,338.18x = 52,907.18 × 21,112.57
  4. Step 4: Simplify right side
    38,338.18x = 1,117,006,303.42
  5. Step 5: Solve for x
    x = 1,117,006,303.42/38,338.18
  6. Step 6: Final answer
    x = 29,135.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.