Home / 58,314.69-87,462.66-20,867.79

Finding the Fourth Proportional to 58,314.69, 87,462.66 and 20,867.79

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Solution

The fourth proportional to 58,314.69, 87,462.66 and 20,867.79 is: 31,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,314.69 : 87,462.66 = 20,867.79 : x
  2. Step 2: Convert to fraction form
    58,314.69/87,462.66 = 20,867.79/x
  3. Step 3: Cross multiply
    58,314.69x = 87,462.66 × 20,867.79
  4. Step 4: Simplify right side
    58,314.69x = 1,825,152,421.72
  5. Step 5: Solve for x
    x = 1,825,152,421.72/58,314.69
  6. Step 6: Final answer
    x = 31,298.33

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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.