Home / 40,342.36-60,460.98-20,604.28

Finding the Fourth Proportional to 40,342.36, 60,460.98 and 20,604.28

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Solution

The fourth proportional to 40,342.36, 60,460.98 and 20,604.28 is: 30,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,342.36 : 60,460.98 = 20,604.28 : x
  2. Step 2: Convert to fraction form
    40,342.36/60,460.98 = 20,604.28/x
  3. Step 3: Cross multiply
    40,342.36x = 60,460.98 × 20,604.28
  4. Step 4: Simplify right side
    40,342.36x = 1,245,754,960.99
  5. Step 5: Solve for x
    x = 1,245,754,960.99/40,342.36
  6. Step 6: Final answer
    x = 30,879.58

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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.