Home / 29,111.77-43,636.06-19,112.32

Finding the Fourth Proportional to 29,111.77, 43,636.06 and 19,112.32

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Solution

The fourth proportional to 29,111.77, 43,636.06 and 19,112.32 is: 28,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111.77 : 43,636.06 = 19,112.32 : x
  2. Step 2: Convert to fraction form
    29,111.77/43,636.06 = 19,112.32/x
  3. Step 3: Cross multiply
    29,111.77x = 43,636.06 × 19,112.32
  4. Step 4: Simplify right side
    29,111.77x = 833,986,342.26
  5. Step 5: Solve for x
    x = 833,986,342.26/29,111.77
  6. Step 6: Final answer
    x = 28,647.74

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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.