Home / 40,012.25-60,021.47-11,930.17

Finding the Fourth Proportional to 40,012.25, 60,021.47 and 11,930.17

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Solution

The fourth proportional to 40,012.25, 60,021.47 and 11,930.17 is: 17,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012.25 : 60,021.47 = 11,930.17 : x
  2. Step 2: Convert to fraction form
    40,012.25/60,021.47 = 11,930.17/x
  3. Step 3: Cross multiply
    40,012.25x = 60,021.47 × 11,930.17
  4. Step 4: Simplify right side
    40,012.25x = 716,065,980.99
  5. Step 5: Solve for x
    x = 716,065,980.99/40,012.25
  6. Step 6: Final answer
    x = 17,896.17

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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.