Home / 30,533.98-42,137.28-17,104.99

Finding the Fourth Proportional to 30,533.98, 42,137.28 and 17,104.99

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Solution

The fourth proportional to 30,533.98, 42,137.28 and 17,104.99 is: 23,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,533.98 : 42,137.28 = 17,104.99 : x
  2. Step 2: Convert to fraction form
    30,533.98/42,137.28 = 17,104.99/x
  3. Step 3: Cross multiply
    30,533.98x = 42,137.28 × 17,104.99
  4. Step 4: Simplify right side
    30,533.98x = 720,757,753.03
  5. Step 5: Solve for x
    x = 720,757,753.03/30,533.98
  6. Step 6: Final answer
    x = 23,605.10

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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.