Home / 46,890-70,331.32-20,594.96

Finding the Fourth Proportional to 46,890, 70,331.32 and 20,594.96

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Solution

The fourth proportional to 46,890, 70,331.32 and 20,594.96 is: 30,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,890 : 70,331.32 = 20,594.96 : x
  2. Step 2: Convert to fraction form
    46,890/70,331.32 = 20,594.96/x
  3. Step 3: Cross multiply
    46,890x = 70,331.32 × 20,594.96
  4. Step 4: Simplify right side
    46,890x = 1,448,470,722.15
  5. Step 5: Solve for x
    x = 1,448,470,722.15/46,890
  6. Step 6: Final answer
    x = 30,890.82

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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.