Home / 35,605.67-49,133.40-19,689.98

Finding the Fourth Proportional to 35,605.67, 49,133.40 and 19,689.98

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Solution

The fourth proportional to 35,605.67, 49,133.40 and 19,689.98 is: 27,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,605.67 : 49,133.40 = 19,689.98 : x
  2. Step 2: Convert to fraction form
    35,605.67/49,133.40 = 19,689.98/x
  3. Step 3: Cross multiply
    35,605.67x = 49,133.40 × 19,689.98
  4. Step 4: Simplify right side
    35,605.67x = 967,435,663.33
  5. Step 5: Solve for x
    x = 967,435,663.33/35,605.67
  6. Step 6: Final answer
    x = 27,170.83

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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.