Home / 30,564.95-42,186.62-17,996.99

Finding the Fourth Proportional to 30,564.95, 42,186.62 and 17,996.99

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Solution

The fourth proportional to 30,564.95, 42,186.62 and 17,996.99 is: 24,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,564.95 : 42,186.62 = 17,996.99 : x
  2. Step 2: Convert to fraction form
    30,564.95/42,186.62 = 17,996.99/x
  3. Step 3: Cross multiply
    30,564.95x = 42,186.62 × 17,996.99
  4. Step 4: Simplify right side
    30,564.95x = 759,232,012.33
  5. Step 5: Solve for x
    x = 759,232,012.33/30,564.95
  6. Step 6: Final answer
    x = 24,839.96

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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.