Home / 40,453.32-60,638.32-15,486.56

Finding the Fourth Proportional to 40,453.32, 60,638.32 and 15,486.56

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Solution

The fourth proportional to 40,453.32, 60,638.32 and 15,486.56 is: 23,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,453.32 : 60,638.32 = 15,486.56 : x
  2. Step 2: Convert to fraction form
    40,453.32/60,638.32 = 15,486.56/x
  3. Step 3: Cross multiply
    40,453.32x = 60,638.32 × 15,486.56
  4. Step 4: Simplify right side
    40,453.32x = 939,078,980.98
  5. Step 5: Solve for x
    x = 939,078,980.98/40,453.32
  6. Step 6: Final answer
    x = 23,213.89

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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.