Home / 50,015.16-69,007.52-30,644.34

Finding the Fourth Proportional to 50,015.16, 69,007.52 and 30,644.34

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Solution

The fourth proportional to 50,015.16, 69,007.52 and 30,644.34 is: 42,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,015.16 : 69,007.52 = 30,644.34 : x
  2. Step 2: Convert to fraction form
    50,015.16/69,007.52 = 30,644.34/x
  3. Step 3: Cross multiply
    50,015.16x = 69,007.52 × 30,644.34
  4. Step 4: Simplify right side
    50,015.16x = 2,114,689,752.22
  5. Step 5: Solve for x
    x = 2,114,689,752.22/50,015.16
  6. Step 6: Final answer
    x = 42,280.98

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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.