Home / 30,357.36-41,893.40-16,929.48

Finding the Fourth Proportional to 30,357.36, 41,893.40 and 16,929.48

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Solution

The fourth proportional to 30,357.36, 41,893.40 and 16,929.48 is: 23,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.36 : 41,893.40 = 16,929.48 : x
  2. Step 2: Convert to fraction form
    30,357.36/41,893.40 = 16,929.48/x
  3. Step 3: Cross multiply
    30,357.36x = 41,893.40 × 16,929.48
  4. Step 4: Simplify right side
    30,357.36x = 709,233,392.78
  5. Step 5: Solve for x
    x = 709,233,392.78/30,357.36
  6. Step 6: Final answer
    x = 23,362.82

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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.