Home / 30,496.67-42,074.13-19,006.36

Finding the Fourth Proportional to 30,496.67, 42,074.13 and 19,006.36

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Solution

The fourth proportional to 30,496.67, 42,074.13 and 19,006.36 is: 26,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,496.67 : 42,074.13 = 19,006.36 : x
  2. Step 2: Convert to fraction form
    30,496.67/42,074.13 = 19,006.36/x
  3. Step 3: Cross multiply
    30,496.67x = 42,074.13 × 19,006.36
  4. Step 4: Simplify right side
    30,496.67x = 799,676,061.47
  5. Step 5: Solve for x
    x = 799,676,061.47/30,496.67
  6. Step 6: Final answer
    x = 26,221.75

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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.