Home / 55,021.96-75,931.14-29,871.46

Finding the Fourth Proportional to 55,021.96, 75,931.14 and 29,871.46

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Solution

The fourth proportional to 55,021.96, 75,931.14 and 29,871.46 is: 41,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.96 : 75,931.14 = 29,871.46 : x
  2. Step 2: Convert to fraction form
    55,021.96/75,931.14 = 29,871.46/x
  3. Step 3: Cross multiply
    55,021.96x = 75,931.14 × 29,871.46
  4. Step 4: Simplify right side
    55,021.96x = 2,268,174,011.26
  5. Step 5: Solve for x
    x = 2,268,174,011.26/55,021.96
  6. Step 6: Final answer
    x = 41,223.07

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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.