Home / 30,763.23-42,453.24-16,616.07

Finding the Fourth Proportional to 30,763.23, 42,453.24 and 16,616.07

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Solution

The fourth proportional to 30,763.23, 42,453.24 and 16,616.07 is: 22,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.23 : 42,453.24 = 16,616.07 : x
  2. Step 2: Convert to fraction form
    30,763.23/42,453.24 = 16,616.07/x
  3. Step 3: Cross multiply
    30,763.23x = 42,453.24 × 16,616.07
  4. Step 4: Simplify right side
    30,763.23x = 705,406,007.57
  5. Step 5: Solve for x
    x = 705,406,007.57/30,763.23
  6. Step 6: Final answer
    x = 22,930.17

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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.