Home / 50,017.40-69,023.94-28,788.92

Finding the Fourth Proportional to 50,017.40, 69,023.94 and 28,788.92

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Solution

The fourth proportional to 50,017.40, 69,023.94 and 28,788.92 is: 39,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,017.40 : 69,023.94 = 28,788.92 : x
  2. Step 2: Convert to fraction form
    50,017.40/69,023.94 = 28,788.92/x
  3. Step 3: Cross multiply
    50,017.40x = 69,023.94 × 28,788.92
  4. Step 4: Simplify right side
    50,017.40x = 1,987,124,686.74
  5. Step 5: Solve for x
    x = 1,987,124,686.74/50,017.40
  6. Step 6: Final answer
    x = 39,728.67

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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.