Home / 35,677.69-49,235.25-19,761.81

Finding the Fourth Proportional to 35,677.69, 49,235.25 and 19,761.81

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Solution

The fourth proportional to 35,677.69, 49,235.25 and 19,761.81 is: 27,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,677.69 : 49,235.25 = 19,761.81 : x
  2. Step 2: Convert to fraction form
    35,677.69/49,235.25 = 19,761.81/x
  3. Step 3: Cross multiply
    35,677.69x = 49,235.25 × 19,761.81
  4. Step 4: Simplify right side
    35,677.69x = 972,977,655.80
  5. Step 5: Solve for x
    x = 972,977,655.80/35,677.69
  6. Step 6: Final answer
    x = 27,271.32

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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.