Home / 50,386.96-69,541-29,172.88

Finding the Fourth Proportional to 50,386.96, 69,541 and 29,172.88

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Solution

The fourth proportional to 50,386.96, 69,541 and 29,172.88 is: 40,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,386.96 : 69,541 = 29,172.88 : x
  2. Step 2: Convert to fraction form
    50,386.96/69,541 = 29,172.88/x
  3. Step 3: Cross multiply
    50,386.96x = 69,541 × 29,172.88
  4. Step 4: Simplify right side
    50,386.96x = 2,028,711,248.08
  5. Step 5: Solve for x
    x = 2,028,711,248.08/50,386.96
  6. Step 6: Final answer
    x = 40,262.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.