Home / 50,415.40-75,623.10-12,975.52

Finding the Fourth Proportional to 50,415.40, 75,623.10 and 12,975.52

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Solution

The fourth proportional to 50,415.40, 75,623.10 and 12,975.52 is: 19,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415.40 : 75,623.10 = 12,975.52 : x
  2. Step 2: Convert to fraction form
    50,415.40/75,623.10 = 12,975.52/x
  3. Step 3: Cross multiply
    50,415.40x = 75,623.10 × 12,975.52
  4. Step 4: Simplify right side
    50,415.40x = 981,249,046.51
  5. Step 5: Solve for x
    x = 981,249,046.51/50,415.40
  6. Step 6: Final answer
    x = 19,463.28

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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.