Home / 30,812.03-42,519.62-17,383.10

Finding the Fourth Proportional to 30,812.03, 42,519.62 and 17,383.10

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Solution

The fourth proportional to 30,812.03, 42,519.62 and 17,383.10 is: 23,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812.03 : 42,519.62 = 17,383.10 : x
  2. Step 2: Convert to fraction form
    30,812.03/42,519.62 = 17,383.10/x
  3. Step 3: Cross multiply
    30,812.03x = 42,519.62 × 17,383.10
  4. Step 4: Simplify right side
    30,812.03x = 739,122,719.51
  5. Step 5: Solve for x
    x = 739,122,719.51/30,812.03
  6. Step 6: Final answer
    x = 23,988.13

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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.