Home / 29,108.77-43,631.56-19,109.32

Finding the Fourth Proportional to 29,108.77, 43,631.56 and 19,109.32

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Solution

The fourth proportional to 29,108.77, 43,631.56 and 19,109.32 is: 28,643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.77 : 43,631.56 = 19,109.32 : x
  2. Step 2: Convert to fraction form
    29,108.77/43,631.56 = 19,109.32/x
  3. Step 3: Cross multiply
    29,108.77x = 43,631.56 × 19,109.32
  4. Step 4: Simplify right side
    29,108.77x = 833,769,356.95
  5. Step 5: Solve for x
    x = 833,769,356.95/29,108.77
  6. Step 6: Final answer
    x = 28,643.24

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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.