Home / 34,218.38-47,220.92-19,111.32

Finding the Fourth Proportional to 34,218.38, 47,220.92 and 19,111.32

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Solution

The fourth proportional to 34,218.38, 47,220.92 and 19,111.32 is: 26,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,218.38 : 47,220.92 = 19,111.32 : x
  2. Step 2: Convert to fraction form
    34,218.38/47,220.92 = 19,111.32/x
  3. Step 3: Cross multiply
    34,218.38x = 47,220.92 × 19,111.32
  4. Step 4: Simplify right side
    34,218.38x = 902,454,112.81
  5. Step 5: Solve for x
    x = 902,454,112.81/34,218.38
  6. Step 6: Final answer
    x = 26,373.37

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Double scale
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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.