Home / 29,718.48-41,004.80-20,159.67

Finding the Fourth Proportional to 29,718.48, 41,004.80 and 20,159.67

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Solution

The fourth proportional to 29,718.48, 41,004.80 and 20,159.67 is: 27,815.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,718.48 : 41,004.80 = 20,159.67 : x
  2. Step 2: Convert to fraction form
    29,718.48/41,004.80 = 20,159.67/x
  3. Step 3: Cross multiply
    29,718.48x = 41,004.80 × 20,159.67
  4. Step 4: Simplify right side
    29,718.48x = 826,643,135.62
  5. Step 5: Solve for x
    x = 826,643,135.62/29,718.48
  6. Step 6: Final answer
    x = 27,815.79

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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.