Home / 29,811.24-41,127.75-21,313.53

Finding the Fourth Proportional to 29,811.24, 41,127.75 and 21,313.53

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Solution

The fourth proportional to 29,811.24, 41,127.75 and 21,313.53 is: 29,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.24 : 41,127.75 = 21,313.53 : x
  2. Step 2: Convert to fraction form
    29,811.24/41,127.75 = 21,313.53/x
  3. Step 3: Cross multiply
    29,811.24x = 41,127.75 × 21,313.53
  4. Step 4: Simplify right side
    29,811.24x = 876,577,533.46
  5. Step 5: Solve for x
    x = 876,577,533.46/29,811.24
  6. Step 6: Final answer
    x = 29,404.26

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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.