Home / 38,745.18-53,442.90-22,818.42

Finding the Fourth Proportional to 38,745.18, 53,442.90 and 22,818.42

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Solution

The fourth proportional to 38,745.18, 53,442.90 and 22,818.42 is: 31,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.18 : 53,442.90 = 22,818.42 : x
  2. Step 2: Convert to fraction form
    38,745.18/53,442.90 = 22,818.42/x
  3. Step 3: Cross multiply
    38,745.18x = 53,442.90 × 22,818.42
  4. Step 4: Simplify right side
    38,745.18x = 1,219,482,538.22
  5. Step 5: Solve for x
    x = 1,219,482,538.22/38,745.18
  6. Step 6: Final answer
    x = 31,474.43

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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.