Home / 30,090.54-41,538.53-19,351.02

Finding the Fourth Proportional to 30,090.54, 41,538.53 and 19,351.02

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Solution

The fourth proportional to 30,090.54, 41,538.53 and 19,351.02 is: 26,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.54 : 41,538.53 = 19,351.02 : x
  2. Step 2: Convert to fraction form
    30,090.54/41,538.53 = 19,351.02/x
  3. Step 3: Cross multiply
    30,090.54x = 41,538.53 × 19,351.02
  4. Step 4: Simplify right side
    30,090.54x = 803,812,924.80
  5. Step 5: Solve for x
    x = 803,812,924.80/30,090.54
  6. Step 6: Final answer
    x = 26,713.14

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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.