Home / 40,290.33-60,435.50-12,588.33

Finding the Fourth Proportional to 40,290.33, 60,435.50 and 12,588.33

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Solution

The fourth proportional to 40,290.33, 60,435.50 and 12,588.33 is: 18,882.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290.33 : 60,435.50 = 12,588.33 : x
  2. Step 2: Convert to fraction form
    40,290.33/60,435.50 = 12,588.33/x
  3. Step 3: Cross multiply
    40,290.33x = 60,435.50 × 12,588.33
  4. Step 4: Simplify right side
    40,290.33x = 760,782,181.41
  5. Step 5: Solve for x
    x = 760,782,181.41/40,290.33
  6. Step 6: Final answer
    x = 18,882.50

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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.