Home / 45,172.41-67,769.38-15,590.50

Finding the Fourth Proportional to 45,172.41, 67,769.38 and 15,590.50

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Solution

The fourth proportional to 45,172.41, 67,769.38 and 15,590.50 is: 23,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172.41 : 67,769.38 = 15,590.50 : x
  2. Step 2: Convert to fraction form
    45,172.41/67,769.38 = 15,590.50/x
  3. Step 3: Cross multiply
    45,172.41x = 67,769.38 × 15,590.50
  4. Step 4: Simplify right side
    45,172.41x = 1,056,558,518.89
  5. Step 5: Solve for x
    x = 1,056,558,518.89/45,172.41
  6. Step 6: Final answer
    x = 23,389.47

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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.