Home / 55,346.70-82,999.68-19,798.38

Finding the Fourth Proportional to 55,346.70, 82,999.68 and 19,798.38

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Solution

The fourth proportional to 55,346.70, 82,999.68 and 19,798.38 is: 29,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,346.70 : 82,999.68 = 19,798.38 : x
  2. Step 2: Convert to fraction form
    55,346.70/82,999.68 = 19,798.38/x
  3. Step 3: Cross multiply
    55,346.70x = 82,999.68 × 19,798.38
  4. Step 4: Simplify right side
    55,346.70x = 1,643,259,204.52
  5. Step 5: Solve for x
    x = 1,643,259,204.52/55,346.70
  6. Step 6: Final answer
    x = 29,690.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.