Home / 43,112.98-64,647.60-19,719.38

Finding the Fourth Proportional to 43,112.98, 64,647.60 and 19,719.38

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Solution

The fourth proportional to 43,112.98, 64,647.60 and 19,719.38 is: 29,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,112.98 : 64,647.60 = 19,719.38 : x
  2. Step 2: Convert to fraction form
    43,112.98/64,647.60 = 19,719.38/x
  3. Step 3: Cross multiply
    43,112.98x = 64,647.60 × 19,719.38
  4. Step 4: Simplify right side
    43,112.98x = 1,274,810,590.49
  5. Step 5: Solve for x
    x = 1,274,810,590.49/43,112.98
  6. Step 6: Final answer
    x = 29,569.07

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1.5x scale

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.