Home / 30,090.67-45,135.79-23,522.38

Finding the Fourth Proportional to 30,090.67, 45,135.79 and 23,522.38

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Solution

The fourth proportional to 30,090.67, 45,135.79 and 23,522.38 is: 35,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.67 : 45,135.79 = 23,522.38 : x
  2. Step 2: Convert to fraction form
    30,090.67/45,135.79 = 23,522.38/x
  3. Step 3: Cross multiply
    30,090.67x = 45,135.79 × 23,522.38
  4. Step 4: Simplify right side
    30,090.67x = 1,061,701,203.98
  5. Step 5: Solve for x
    x = 1,061,701,203.98/30,090.67
  6. Step 6: Final answer
    x = 35,283.40

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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.