Home / 48,937.16-73,415.16-20,856.69

Finding the Fourth Proportional to 48,937.16, 73,415.16 and 20,856.69

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Solution

The fourth proportional to 48,937.16, 73,415.16 and 20,856.69 is: 31,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,937.16 : 73,415.16 = 20,856.69 : x
  2. Step 2: Convert to fraction form
    48,937.16/73,415.16 = 20,856.69/x
  3. Step 3: Cross multiply
    48,937.16x = 73,415.16 × 20,856.69
  4. Step 4: Simplify right side
    48,937.16x = 1,531,197,233.42
  5. Step 5: Solve for x
    x = 1,531,197,233.42/48,937.16
  6. Step 6: Final answer
    x = 31,289.05

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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.