Home / 33,858.48-46,730.40-19,719.72

Finding the Fourth Proportional to 33,858.48, 46,730.40 and 19,719.72

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Solution

The fourth proportional to 33,858.48, 46,730.40 and 19,719.72 is: 27,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,858.48 : 46,730.40 = 19,719.72 : x
  2. Step 2: Convert to fraction form
    33,858.48/46,730.40 = 19,719.72/x
  3. Step 3: Cross multiply
    33,858.48x = 46,730.40 × 19,719.72
  4. Step 4: Simplify right side
    33,858.48x = 921,510,403.49
  5. Step 5: Solve for x
    x = 921,510,403.49/33,858.48
  6. Step 6: Final answer
    x = 27,216.53

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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.