Home / 48,370.08-72,571.28-18,788.88

Finding the Fourth Proportional to 48,370.08, 72,571.28 and 18,788.88

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Solution

The fourth proportional to 48,370.08, 72,571.28 and 18,788.88 is: 28,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,370.08 : 72,571.28 = 18,788.88 : x
  2. Step 2: Convert to fraction form
    48,370.08/72,571.28 = 18,788.88/x
  3. Step 3: Cross multiply
    48,370.08x = 72,571.28 × 18,788.88
  4. Step 4: Simplify right side
    48,370.08x = 1,363,533,071.37
  5. Step 5: Solve for x
    x = 1,363,533,071.37/48,370.08
  6. Step 6: Final answer
    x = 28,189.60

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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.