Home / 58,447.16-87,615.24-18,976.64

Finding the Fourth Proportional to 58,447.16, 87,615.24 and 18,976.64

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Solution

The fourth proportional to 58,447.16, 87,615.24 and 18,976.64 is: 28,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,447.16 : 87,615.24 = 18,976.64 : x
  2. Step 2: Convert to fraction form
    58,447.16/87,615.24 = 18,976.64/x
  3. Step 3: Cross multiply
    58,447.16x = 87,615.24 × 18,976.64
  4. Step 4: Simplify right side
    58,447.16x = 1,662,642,867.99
  5. Step 5: Solve for x
    x = 1,662,642,867.99/58,447.16
  6. Step 6: Final answer
    x = 28,446.94

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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.