Home / 30,836.89-42,554.05-17,224.57

Finding the Fourth Proportional to 30,836.89, 42,554.05 and 17,224.57

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Solution

The fourth proportional to 30,836.89, 42,554.05 and 17,224.57 is: 23,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,836.89 : 42,554.05 = 17,224.57 : x
  2. Step 2: Convert to fraction form
    30,836.89/42,554.05 = 17,224.57/x
  3. Step 3: Cross multiply
    30,836.89x = 42,554.05 × 17,224.57
  4. Step 4: Simplify right side
    30,836.89x = 732,975,213.01
  5. Step 5: Solve for x
    x = 732,975,213.01/30,836.89
  6. Step 6: Final answer
    x = 23,769.43

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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.