Home / 50,624.60-75,970.80-21,042.36

Finding the Fourth Proportional to 50,624.60, 75,970.80 and 21,042.36

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Solution

The fourth proportional to 50,624.60, 75,970.80 and 21,042.36 is: 31,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,624.60 : 75,970.80 = 21,042.36 : x
  2. Step 2: Convert to fraction form
    50,624.60/75,970.80 = 21,042.36/x
  3. Step 3: Cross multiply
    50,624.60x = 75,970.80 × 21,042.36
  4. Step 4: Simplify right side
    50,624.60x = 1,598,604,923.09
  5. Step 5: Solve for x
    x = 1,598,604,923.09/50,624.60
  6. Step 6: Final answer
    x = 31,577.63

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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.