Home / 30,635.33-45,959.54-10,645.45

Finding the Fourth Proportional to 30,635.33, 45,959.54 and 10,645.45

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Solution

The fourth proportional to 30,635.33, 45,959.54 and 10,645.45 is: 15,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.33 : 45,959.54 = 10,645.45 : x
  2. Step 2: Convert to fraction form
    30,635.33/45,959.54 = 10,645.45/x
  3. Step 3: Cross multiply
    30,635.33x = 45,959.54 × 10,645.45
  4. Step 4: Simplify right side
    30,635.33x = 489,259,816.97
  5. Step 5: Solve for x
    x = 489,259,816.97/30,635.33
  6. Step 6: Final answer
    x = 15,970.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.