Home / 34,015.05-46,938.69-18,907.20

Finding the Fourth Proportional to 34,015.05, 46,938.69 and 18,907.20

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Solution

The fourth proportional to 34,015.05, 46,938.69 and 18,907.20 is: 26,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,015.05 : 46,938.69 = 18,907.20 : x
  2. Step 2: Convert to fraction form
    34,015.05/46,938.69 = 18,907.20/x
  3. Step 3: Cross multiply
    34,015.05x = 46,938.69 × 18,907.20
  4. Step 4: Simplify right side
    34,015.05x = 887,479,199.57
  5. Step 5: Solve for x
    x = 887,479,199.57/34,015.05
  6. Step 6: Final answer
    x = 26,090.78

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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.