Home / 50,579.56-69,756.95-30,432.68

Finding the Fourth Proportional to 50,579.56, 69,756.95 and 30,432.68

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Solution

The fourth proportional to 50,579.56, 69,756.95 and 30,432.68 is: 41,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,579.56 : 69,756.95 = 30,432.68 : x
  2. Step 2: Convert to fraction form
    50,579.56/69,756.95 = 30,432.68/x
  3. Step 3: Cross multiply
    50,579.56x = 69,756.95 × 30,432.68
  4. Step 4: Simplify right side
    50,579.56x = 2,122,890,901.97
  5. Step 5: Solve for x
    x = 2,122,890,901.97/50,579.56
  6. Step 6: Final answer
    x = 41,971.32

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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.