Home / 23,068.62-34,430.36-21,221.82

Finding the Fourth Proportional to 23,068.62, 34,430.36 and 21,221.82

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Solution

The fourth proportional to 23,068.62, 34,430.36 and 21,221.82 is: 31,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,068.62 : 34,430.36 = 21,221.82 : x
  2. Step 2: Convert to fraction form
    23,068.62/34,430.36 = 21,221.82/x
  3. Step 3: Cross multiply
    23,068.62x = 34,430.36 × 21,221.82
  4. Step 4: Simplify right side
    23,068.62x = 730,674,796.35
  5. Step 5: Solve for x
    x = 730,674,796.35/23,068.62
  6. Step 6: Final answer
    x = 31,673.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.