Home / 48,748.32-73,111.95-20,659.14

Finding the Fourth Proportional to 48,748.32, 73,111.95 and 20,659.14

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Solution

The fourth proportional to 48,748.32, 73,111.95 and 20,659.14 is: 30,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,748.32 : 73,111.95 = 20,659.14 : x
  2. Step 2: Convert to fraction form
    48,748.32/73,111.95 = 20,659.14/x
  3. Step 3: Cross multiply
    48,748.32x = 73,111.95 × 20,659.14
  4. Step 4: Simplify right side
    48,748.32x = 1,510,430,010.72
  5. Step 5: Solve for x
    x = 1,510,430,010.72/48,748.32
  6. Step 6: Final answer
    x = 30,984.25

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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.