Home / 72,824.72-100,497-40,993.52

Finding the Fourth Proportional to 72,824.72, 100,497 and 40,993.52

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Solution

The fourth proportional to 72,824.72, 100,497 and 40,993.52 is: 56,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,824.72 : 100,497 = 40,993.52 : x
  2. Step 2: Convert to fraction form
    72,824.72/100,497 = 40,993.52/x
  3. Step 3: Cross multiply
    72,824.72x = 100,497 × 40,993.52
  4. Step 4: Simplify right side
    72,824.72x = 4,119,725,779.44
  5. Step 5: Solve for x
    x = 4,119,725,779.44/72,824.72
  6. Step 6: Final answer
    x = 56,570.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.