Home / 50,407.71-75,645.54-20,825.42

Finding the Fourth Proportional to 50,407.71, 75,645.54 and 20,825.42

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Solution

The fourth proportional to 50,407.71, 75,645.54 and 20,825.42 is: 31,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,407.71 : 75,645.54 = 20,825.42 : x
  2. Step 2: Convert to fraction form
    50,407.71/75,645.54 = 20,825.42/x
  3. Step 3: Cross multiply
    50,407.71x = 75,645.54 × 20,825.42
  4. Step 4: Simplify right side
    50,407.71x = 1,575,349,763.40
  5. Step 5: Solve for x
    x = 1,575,349,763.40/50,407.71
  6. Step 6: Final answer
    x = 31,252.16

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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.