Home / 35,790.69-49,390.87-19,875.19

Finding the Fourth Proportional to 35,790.69, 49,390.87 and 19,875.19

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Solution

The fourth proportional to 35,790.69, 49,390.87 and 19,875.19 is: 27,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.69 : 49,390.87 = 19,875.19 : x
  2. Step 2: Convert to fraction form
    35,790.69/49,390.87 = 19,875.19/x
  3. Step 3: Cross multiply
    35,790.69x = 49,390.87 × 19,875.19
  4. Step 4: Simplify right side
    35,790.69x = 981,652,925.52
  5. Step 5: Solve for x
    x = 981,652,925.52/35,790.69
  6. Step 6: Final answer
    x = 27,427.61

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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.