Home / 29,947.86-41,344.92-19,890.06

Finding the Fourth Proportional to 29,947.86, 41,344.92 and 19,890.06

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Solution

The fourth proportional to 29,947.86, 41,344.92 and 19,890.06 is: 27,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,947.86 : 41,344.92 = 19,890.06 : x
  2. Step 2: Convert to fraction form
    29,947.86/41,344.92 = 19,890.06/x
  3. Step 3: Cross multiply
    29,947.86x = 41,344.92 × 19,890.06
  4. Step 4: Simplify right side
    29,947.86x = 822,352,939.50
  5. Step 5: Solve for x
    x = 822,352,939.50/29,947.86
  6. Step 6: Final answer
    x = 27,459.49

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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.