Home / 33,430.58-50,145.47-8,130.23

Finding the Fourth Proportional to 33,430.58, 50,145.47 and 8,130.23

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Solution

The fourth proportional to 33,430.58, 50,145.47 and 8,130.23 is: 12,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,430.58 : 50,145.47 = 8,130.23 : x
  2. Step 2: Convert to fraction form
    33,430.58/50,145.47 = 8,130.23/x
  3. Step 3: Cross multiply
    33,430.58x = 50,145.47 × 8,130.23
  4. Step 4: Simplify right side
    33,430.58x = 407,693,913.18
  5. Step 5: Solve for x
    x = 407,693,913.18/33,430.58
  6. Step 6: Final answer
    x = 12,195.24

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Double scale
Find fourth proportional to 33,431.58, 50,146.96 and 8,131.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.