Home / 34,045.74-46,982.28-18,938.42

Finding the Fourth Proportional to 34,045.74, 46,982.28 and 18,938.42

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Solution

The fourth proportional to 34,045.74, 46,982.28 and 18,938.42 is: 26,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,045.74 : 46,982.28 = 18,938.42 : x
  2. Step 2: Convert to fraction form
    34,045.74/46,982.28 = 18,938.42/x
  3. Step 3: Cross multiply
    34,045.74x = 46,982.28 × 18,938.42
  4. Step 4: Simplify right side
    34,045.74x = 889,770,151.20
  5. Step 5: Solve for x
    x = 889,770,151.20/34,045.74
  6. Step 6: Final answer
    x = 26,134.55

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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.