Home / 48,931.56-73,421.64-19,370.61

Finding the Fourth Proportional to 48,931.56, 73,421.64 and 19,370.61

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Solution

The fourth proportional to 48,931.56, 73,421.64 and 19,370.61 is: 29,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.56 : 73,421.64 = 19,370.61 : x
  2. Step 2: Convert to fraction form
    48,931.56/73,421.64 = 19,370.61/x
  3. Step 3: Cross multiply
    48,931.56x = 73,421.64 × 19,370.61
  4. Step 4: Simplify right side
    48,931.56x = 1,422,221,954.00
  5. Step 5: Solve for x
    x = 1,422,221,954.00/48,931.56
  6. Step 6: Final answer
    x = 29,065.53

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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.