Home / 30,607.62-42,237.09-18,029.94

Finding the Fourth Proportional to 30,607.62, 42,237.09 and 18,029.94

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Solution

The fourth proportional to 30,607.62, 42,237.09 and 18,029.94 is: 24,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607.62 : 42,237.09 = 18,029.94 : x
  2. Step 2: Convert to fraction form
    30,607.62/42,237.09 = 18,029.94/x
  3. Step 3: Cross multiply
    30,607.62x = 42,237.09 × 18,029.94
  4. Step 4: Simplify right side
    30,607.62x = 761,532,198.47
  5. Step 5: Solve for x
    x = 761,532,198.47/30,607.62
  6. Step 6: Final answer
    x = 24,880.48

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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.