Home / 48,392.60-72,570.16-18,806.56

Finding the Fourth Proportional to 48,392.60, 72,570.16 and 18,806.56

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Solution

The fourth proportional to 48,392.60, 72,570.16 and 18,806.56 is: 28,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,392.60 : 72,570.16 = 18,806.56 : x
  2. Step 2: Convert to fraction form
    48,392.60/72,570.16 = 18,806.56/x
  3. Step 3: Cross multiply
    48,392.60x = 72,570.16 × 18,806.56
  4. Step 4: Simplify right side
    48,392.60x = 1,364,795,068.25
  5. Step 5: Solve for x
    x = 1,364,795,068.25/48,392.60
  6. Step 6: Final answer
    x = 28,202.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.