Home / 29,391.36-40,550.11-19,319.01

Finding the Fourth Proportional to 29,391.36, 40,550.11 and 19,319.01

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Solution

The fourth proportional to 29,391.36, 40,550.11 and 19,319.01 is: 26,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,391.36 : 40,550.11 = 19,319.01 : x
  2. Step 2: Convert to fraction form
    29,391.36/40,550.11 = 19,319.01/x
  3. Step 3: Cross multiply
    29,391.36x = 40,550.11 × 19,319.01
  4. Step 4: Simplify right side
    29,391.36x = 783,387,980.59
  5. Step 5: Solve for x
    x = 783,387,980.59/29,391.36
  6. Step 6: Final answer
    x = 26,653.68

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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.