Home / 40,270.32-60,390.09-13,246.34

Finding the Fourth Proportional to 40,270.32, 60,390.09 and 13,246.34

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Solution

The fourth proportional to 40,270.32, 60,390.09 and 13,246.34 is: 19,864.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,270.32 : 60,390.09 = 13,246.34 : x
  2. Step 2: Convert to fraction form
    40,270.32/60,390.09 = 13,246.34/x
  3. Step 3: Cross multiply
    40,270.32x = 60,390.09 × 13,246.34
  4. Step 4: Simplify right side
    40,270.32x = 799,947,362.82
  5. Step 5: Solve for x
    x = 799,947,362.82/40,270.32
  6. Step 6: Final answer
    x = 19,864.44

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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.