Home / 50,387.63-69,534.99-28,031.63

Finding the Fourth Proportional to 50,387.63, 69,534.99 and 28,031.63

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Solution

The fourth proportional to 50,387.63, 69,534.99 and 28,031.63 is: 38,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,387.63 : 69,534.99 = 28,031.63 : x
  2. Step 2: Convert to fraction form
    50,387.63/69,534.99 = 28,031.63/x
  3. Step 3: Cross multiply
    50,387.63x = 69,534.99 × 28,031.63
  4. Step 4: Simplify right side
    50,387.63x = 1,949,178,764.06
  5. Step 5: Solve for x
    x = 1,949,178,764.06/50,387.63
  6. Step 6: Final answer
    x = 38,683.68

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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.