Home / 53,014.60-73,139.86-39,249.71

Finding the Fourth Proportional to 53,014.60, 73,139.86 and 39,249.71

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Solution

The fourth proportional to 53,014.60, 73,139.86 and 39,249.71 is: 54,149.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,014.60 : 73,139.86 = 39,249.71 : x
  2. Step 2: Convert to fraction form
    53,014.60/73,139.86 = 39,249.71/x
  3. Step 3: Cross multiply
    53,014.60x = 73,139.86 × 39,249.71
  4. Step 4: Simplify right side
    53,014.60x = 2,870,718,379.17
  5. Step 5: Solve for x
    x = 2,870,718,379.17/53,014.60
  6. Step 6: Final answer
    x = 54,149.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.