Home / 33,564.20-46,307.06-20,812.80

Finding the Fourth Proportional to 33,564.20, 46,307.06 and 20,812.80

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Solution

The fourth proportional to 33,564.20, 46,307.06 and 20,812.80 is: 28,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,564.20 : 46,307.06 = 20,812.80 : x
  2. Step 2: Convert to fraction form
    33,564.20/46,307.06 = 20,812.80/x
  3. Step 3: Cross multiply
    33,564.20x = 46,307.06 × 20,812.80
  4. Step 4: Simplify right side
    33,564.20x = 963,779,578.37
  5. Step 5: Solve for x
    x = 963,779,578.37/33,564.20
  6. Step 6: Final answer
    x = 28,714.51

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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.