Home / 31,668.56-47,471.52-14,999.28

Finding the Fourth Proportional to 31,668.56, 47,471.52 and 14,999.28

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Solution

The fourth proportional to 31,668.56, 47,471.52 and 14,999.28 is: 22,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.56 : 47,471.52 = 14,999.28 : x
  2. Step 2: Convert to fraction form
    31,668.56/47,471.52 = 14,999.28/x
  3. Step 3: Cross multiply
    31,668.56x = 47,471.52 × 14,999.28
  4. Step 4: Simplify right side
    31,668.56x = 712,038,620.51
  5. Step 5: Solve for x
    x = 712,038,620.51/31,668.56
  6. Step 6: Final answer
    x = 22,484.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.