Home / 33,315.36-45,990-25,357.92

Finding the Fourth Proportional to 33,315.36, 45,990 and 25,357.92

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Solution

The fourth proportional to 33,315.36, 45,990 and 25,357.92 is: 35,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.36 : 45,990 = 25,357.92 : x
  2. Step 2: Convert to fraction form
    33,315.36/45,990 = 25,357.92/x
  3. Step 3: Cross multiply
    33,315.36x = 45,990 × 25,357.92
  4. Step 4: Simplify right side
    33,315.36x = 1,166,210,740.80
  5. Step 5: Solve for x
    x = 1,166,210,740.80/33,315.36
  6. Step 6: Final answer
    x = 35,005.20

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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.