Home / 46,939.74-70,429.05-18,879.69

Finding the Fourth Proportional to 46,939.74, 70,429.05 and 18,879.69

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Solution

The fourth proportional to 46,939.74, 70,429.05 and 18,879.69 is: 28,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,939.74 : 70,429.05 = 18,879.69 : x
  2. Step 2: Convert to fraction form
    46,939.74/70,429.05 = 18,879.69/x
  3. Step 3: Cross multiply
    46,939.74x = 70,429.05 × 18,879.69
  4. Step 4: Simplify right side
    46,939.74x = 1,329,678,630.99
  5. Step 5: Solve for x
    x = 1,329,678,630.99/46,939.74
  6. Step 6: Final answer
    x = 28,327.35

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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.