Home / 30,835.62-42,548.58-18,083.99

Finding the Fourth Proportional to 30,835.62, 42,548.58 and 18,083.99

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Solution

The fourth proportional to 30,835.62, 42,548.58 and 18,083.99 is: 24,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835.62 : 42,548.58 = 18,083.99 : x
  2. Step 2: Convert to fraction form
    30,835.62/42,548.58 = 18,083.99/x
  3. Step 3: Cross multiply
    30,835.62x = 42,548.58 × 18,083.99
  4. Step 4: Simplify right side
    30,835.62x = 769,447,882.49
  5. Step 5: Solve for x
    x = 769,447,882.49/30,835.62
  6. Step 6: Final answer
    x = 24,953.22

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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.