Home / 50,931.72-70,282.44-28,269.63

Finding the Fourth Proportional to 50,931.72, 70,282.44 and 28,269.63

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Solution

The fourth proportional to 50,931.72, 70,282.44 and 28,269.63 is: 39,010.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931.72 : 70,282.44 = 28,269.63 : x
  2. Step 2: Convert to fraction form
    50,931.72/70,282.44 = 28,269.63/x
  3. Step 3: Cross multiply
    50,931.72x = 70,282.44 × 28,269.63
  4. Step 4: Simplify right side
    50,931.72x = 1,986,858,574.30
  5. Step 5: Solve for x
    x = 1,986,858,574.30/50,931.72
  6. Step 6: Final answer
    x = 39,010.24

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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.