Home / 41,970.45-62,965.86-12,387.63

Finding the Fourth Proportional to 41,970.45, 62,965.86 and 12,387.63

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Solution

The fourth proportional to 41,970.45, 62,965.86 and 12,387.63 is: 18,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,970.45 : 62,965.86 = 12,387.63 : x
  2. Step 2: Convert to fraction form
    41,970.45/62,965.86 = 12,387.63/x
  3. Step 3: Cross multiply
    41,970.45x = 62,965.86 × 12,387.63
  4. Step 4: Simplify right side
    41,970.45x = 779,997,776.31
  5. Step 5: Solve for x
    x = 779,997,776.31/41,970.45
  6. Step 6: Final answer
    x = 18,584.45

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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.