Home / 50,018.10-69,033.48-28,809.66

Finding the Fourth Proportional to 50,018.10, 69,033.48 and 28,809.66

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Solution

The fourth proportional to 50,018.10, 69,033.48 and 28,809.66 is: 39,762.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,018.10 : 69,033.48 = 28,809.66 : x
  2. Step 2: Convert to fraction form
    50,018.10/69,033.48 = 28,809.66/x
  3. Step 3: Cross multiply
    50,018.10x = 69,033.48 × 28,809.66
  4. Step 4: Simplify right side
    50,018.10x = 1,988,831,087.42
  5. Step 5: Solve for x
    x = 1,988,831,087.42/50,018.10
  6. Step 6: Final answer
    x = 39,762.23

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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.