Home / 50,421.20-75,643.15-15,364.40

Finding the Fourth Proportional to 50,421.20, 75,643.15 and 15,364.40

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Solution

The fourth proportional to 50,421.20, 75,643.15 and 15,364.40 is: 23,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,421.20 : 75,643.15 = 15,364.40 : x
  2. Step 2: Convert to fraction form
    50,421.20/75,643.15 = 15,364.40/x
  3. Step 3: Cross multiply
    50,421.20x = 75,643.15 × 15,364.40
  4. Step 4: Simplify right side
    50,421.20x = 1,162,211,764.56
  5. Step 5: Solve for x
    x = 1,162,211,764.56/50,421.20
  6. Step 6: Final answer
    x = 23,050.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.