Home / 33,765.65-46,585.39-20,331.80

Finding the Fourth Proportional to 33,765.65, 46,585.39 and 20,331.80

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Solution

The fourth proportional to 33,765.65, 46,585.39 and 20,331.80 is: 28,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,765.65 : 46,585.39 = 20,331.80 : x
  2. Step 2: Convert to fraction form
    33,765.65/46,585.39 = 20,331.80/x
  3. Step 3: Cross multiply
    33,765.65x = 46,585.39 × 20,331.80
  4. Step 4: Simplify right side
    33,765.65x = 947,164,832.40
  5. Step 5: Solve for x
    x = 947,164,832.40/33,765.65
  6. Step 6: Final answer
    x = 28,051.14

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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.