Home / 51,204.61-76,790.30-19,612.99

Finding the Fourth Proportional to 51,204.61, 76,790.30 and 19,612.99

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Solution

The fourth proportional to 51,204.61, 76,790.30 and 19,612.99 is: 29,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.61 : 76,790.30 = 19,612.99 : x
  2. Step 2: Convert to fraction form
    51,204.61/76,790.30 = 19,612.99/x
  3. Step 3: Cross multiply
    51,204.61x = 76,790.30 × 19,612.99
  4. Step 4: Simplify right side
    51,204.61x = 1,506,087,363.56
  5. Step 5: Solve for x
    x = 1,506,087,363.56/51,204.61
  6. Step 6: Final answer
    x = 29,413.12

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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.