Home / 34,540.65-47,663.37-19,430.33

Finding the Fourth Proportional to 34,540.65, 47,663.37 and 19,430.33

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Solution

The fourth proportional to 34,540.65, 47,663.37 and 19,430.33 is: 26,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,540.65 : 47,663.37 = 19,430.33 : x
  2. Step 2: Convert to fraction form
    34,540.65/47,663.37 = 19,430.33/x
  3. Step 3: Cross multiply
    34,540.65x = 47,663.37 × 19,430.33
  4. Step 4: Simplify right side
    34,540.65x = 926,114,769.70
  5. Step 5: Solve for x
    x = 926,114,769.70/34,540.65
  6. Step 6: Final answer
    x = 26,812.31

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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.