Home / 33,749.78-46,574.48-18,643.42

Finding the Fourth Proportional to 33,749.78, 46,574.48 and 18,643.42

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Solution

The fourth proportional to 33,749.78, 46,574.48 and 18,643.42 is: 25,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,749.78 : 46,574.48 = 18,643.42 : x
  2. Step 2: Convert to fraction form
    33,749.78/46,574.48 = 18,643.42/x
  3. Step 3: Cross multiply
    33,749.78x = 46,574.48 × 18,643.42
  4. Step 4: Simplify right side
    33,749.78x = 868,307,591.92
  5. Step 5: Solve for x
    x = 868,307,591.92/33,749.78
  6. Step 6: Final answer
    x = 25,727.80

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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.