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Finding the Fourth Proportional to 36,066, 49,779.88 and 21,928.24

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Solution

The fourth proportional to 36,066, 49,779.88 and 21,928.24 is: 30,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,066 : 49,779.88 = 21,928.24 : x
  2. Step 2: Convert to fraction form
    36,066/49,779.88 = 21,928.24/x
  3. Step 3: Cross multiply
    36,066x = 49,779.88 × 21,928.24
  4. Step 4: Simplify right side
    36,066x = 1,091,585,155.81
  5. Step 5: Solve for x
    x = 1,091,585,155.81/36,066
  6. Step 6: Final answer
    x = 30,266.32

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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.