Home / 30,537.81-42,121.62-17,962.56

Finding the Fourth Proportional to 30,537.81, 42,121.62 and 17,962.56

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Solution

The fourth proportional to 30,537.81, 42,121.62 and 17,962.56 is: 24,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537.81 : 42,121.62 = 17,962.56 : x
  2. Step 2: Convert to fraction form
    30,537.81/42,121.62 = 17,962.56/x
  3. Step 3: Cross multiply
    30,537.81x = 42,121.62 × 17,962.56
  4. Step 4: Simplify right side
    30,537.81x = 756,612,126.55
  5. Step 5: Solve for x
    x = 756,612,126.55/30,537.81
  6. Step 6: Final answer
    x = 24,776.24

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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.