Home / 30,737.99-42,418.01-17,309.41

Finding the Fourth Proportional to 30,737.99, 42,418.01 and 17,309.41

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Solution

The fourth proportional to 30,737.99, 42,418.01 and 17,309.41 is: 23,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,737.99 : 42,418.01 = 17,309.41 : x
  2. Step 2: Convert to fraction form
    30,737.99/42,418.01 = 17,309.41/x
  3. Step 3: Cross multiply
    30,737.99x = 42,418.01 × 17,309.41
  4. Step 4: Simplify right side
    30,737.99x = 734,230,663.70
  5. Step 5: Solve for x
    x = 734,230,663.70/30,737.99
  6. Step 6: Final answer
    x = 23,886.75

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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.