Home / 30,703.86-46,068.75-12,938.94

Finding the Fourth Proportional to 30,703.86, 46,068.75 and 12,938.94

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Solution

The fourth proportional to 30,703.86, 46,068.75 and 12,938.94 is: 19,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.86 : 46,068.75 = 12,938.94 : x
  2. Step 2: Convert to fraction form
    30,703.86/46,068.75 = 12,938.94/x
  3. Step 3: Cross multiply
    30,703.86x = 46,068.75 × 12,938.94
  4. Step 4: Simplify right side
    30,703.86x = 596,080,792.13
  5. Step 5: Solve for x
    x = 596,080,792.13/30,703.86
  6. Step 6: Final answer
    x = 19,413.87

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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.