Home / 40,539.38-60,809.36-12,837.38

Finding the Fourth Proportional to 40,539.38, 60,809.36 and 12,837.38

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Solution

The fourth proportional to 40,539.38, 60,809.36 and 12,837.38 is: 19,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539.38 : 60,809.36 = 12,837.38 : x
  2. Step 2: Convert to fraction form
    40,539.38/60,809.36 = 12,837.38/x
  3. Step 3: Cross multiply
    40,539.38x = 60,809.36 × 12,837.38
  4. Step 4: Simplify right side
    40,539.38x = 780,632,493.64
  5. Step 5: Solve for x
    x = 780,632,493.64/40,539.38
  6. Step 6: Final answer
    x = 19,256.16

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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.