Home / 40,738.57-61,115.65-14,083.60

Finding the Fourth Proportional to 40,738.57, 61,115.65 and 14,083.60

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Solution

The fourth proportional to 40,738.57, 61,115.65 and 14,083.60 is: 21,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,738.57 : 61,115.65 = 14,083.60 : x
  2. Step 2: Convert to fraction form
    40,738.57/61,115.65 = 14,083.60/x
  3. Step 3: Cross multiply
    40,738.57x = 61,115.65 × 14,083.60
  4. Step 4: Simplify right side
    40,738.57x = 860,728,368.34
  5. Step 5: Solve for x
    x = 860,728,368.34/40,738.57
  6. Step 6: Final answer
    x = 21,128.09

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1.5x scale

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.