Home / 33,055.89-45,625.23-20,312.16

Finding the Fourth Proportional to 33,055.89, 45,625.23 and 20,312.16

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Solution

The fourth proportional to 33,055.89, 45,625.23 and 20,312.16 is: 28,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,055.89 : 45,625.23 = 20,312.16 : x
  2. Step 2: Convert to fraction form
    33,055.89/45,625.23 = 20,312.16/x
  3. Step 3: Cross multiply
    33,055.89x = 45,625.23 × 20,312.16
  4. Step 4: Simplify right side
    33,055.89x = 926,746,971.80
  5. Step 5: Solve for x
    x = 926,746,971.80/33,055.89
  6. Step 6: Final answer
    x = 28,035.76

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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.