Home / 50,319.93-75,482.46-12,880.32

Finding the Fourth Proportional to 50,319.93, 75,482.46 and 12,880.32

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Solution

The fourth proportional to 50,319.93, 75,482.46 and 12,880.32 is: 19,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,319.93 : 75,482.46 = 12,880.32 : x
  2. Step 2: Convert to fraction form
    50,319.93/75,482.46 = 12,880.32/x
  3. Step 3: Cross multiply
    50,319.93x = 75,482.46 × 12,880.32
  4. Step 4: Simplify right side
    50,319.93x = 972,238,239.19
  5. Step 5: Solve for x
    x = 972,238,239.19/50,319.93
  6. Step 6: Final answer
    x = 19,321.14

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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.