Home / 50,348.47-69,463.88-28,542.40

Finding the Fourth Proportional to 50,348.47, 69,463.88 and 28,542.40

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Solution

The fourth proportional to 50,348.47, 69,463.88 and 28,542.40 is: 39,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,348.47 : 69,463.88 = 28,542.40 : x
  2. Step 2: Convert to fraction form
    50,348.47/69,463.88 = 28,542.40/x
  3. Step 3: Cross multiply
    50,348.47x = 69,463.88 × 28,542.40
  4. Step 4: Simplify right side
    50,348.47x = 1,982,665,848.51
  5. Step 5: Solve for x
    x = 1,982,665,848.51/50,348.47
  6. Step 6: Final answer
    x = 39,378.87

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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.