Home / 55,022-75,931.26-29,871.52

Finding the Fourth Proportional to 55,022, 75,931.26 and 29,871.52

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Solution

The fourth proportional to 55,022, 75,931.26 and 29,871.52 is: 41,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,022 : 75,931.26 = 29,871.52 : x
  2. Step 2: Convert to fraction form
    55,022/75,931.26 = 29,871.52/x
  3. Step 3: Cross multiply
    55,022x = 75,931.26 × 29,871.52
  4. Step 4: Simplify right side
    55,022x = 2,268,182,151.72
  5. Step 5: Solve for x
    x = 2,268,182,151.72/55,022
  6. Step 6: Final answer
    x = 41,223.19

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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.