Home / 50,966.37-76,419.27-19,378.74

Finding the Fourth Proportional to 50,966.37, 76,419.27 and 19,378.74

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Solution

The fourth proportional to 50,966.37, 76,419.27 and 19,378.74 is: 29,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,966.37 : 76,419.27 = 19,378.74 : x
  2. Step 2: Convert to fraction form
    50,966.37/76,419.27 = 19,378.74/x
  3. Step 3: Cross multiply
    50,966.37x = 76,419.27 × 19,378.74
  4. Step 4: Simplify right side
    50,966.37x = 1,480,909,164.32
  5. Step 5: Solve for x
    x = 1,480,909,164.32/50,966.37
  6. Step 6: Final answer
    x = 29,056.60

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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.