Home / 39,162.82-58,726.77-12,503.92

Finding the Fourth Proportional to 39,162.82, 58,726.77 and 12,503.92

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Solution

The fourth proportional to 39,162.82, 58,726.77 and 12,503.92 is: 18,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,162.82 : 58,726.77 = 12,503.92 : x
  2. Step 2: Convert to fraction form
    39,162.82/58,726.77 = 12,503.92/x
  3. Step 3: Cross multiply
    39,162.82x = 58,726.77 × 12,503.92
  4. Step 4: Simplify right side
    39,162.82x = 734,314,833.94
  5. Step 5: Solve for x
    x = 734,314,833.94/39,162.82
  6. Step 6: Final answer
    x = 18,750.31

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1.5x scale

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.