Home / 29,112.77-43,637.56-19,113.32

Finding the Fourth Proportional to 29,112.77, 43,637.56 and 19,113.32

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Solution

The fourth proportional to 29,112.77, 43,637.56 and 19,113.32 is: 28,649.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112.77 : 43,637.56 = 19,113.32 : x
  2. Step 2: Convert to fraction form
    29,112.77/43,637.56 = 19,113.32/x
  3. Step 3: Cross multiply
    29,112.77x = 43,637.56 × 19,113.32
  4. Step 4: Simplify right side
    29,112.77x = 834,058,648.30
  5. Step 5: Solve for x
    x = 834,058,648.30/29,112.77
  6. Step 6: Final answer
    x = 28,649.24

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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.