Home / 34,722.36-47,917.80-21,301.02

Finding the Fourth Proportional to 34,722.36, 47,917.80 and 21,301.02

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Solution

The fourth proportional to 34,722.36, 47,917.80 and 21,301.02 is: 29,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,722.36 : 47,917.80 = 21,301.02 : x
  2. Step 2: Convert to fraction form
    34,722.36/47,917.80 = 21,301.02/x
  3. Step 3: Cross multiply
    34,722.36x = 47,917.80 × 21,301.02
  4. Step 4: Simplify right side
    34,722.36x = 1,020,698,016.16
  5. Step 5: Solve for x
    x = 1,020,698,016.16/34,722.36
  6. Step 6: Final answer
    x = 29,395.99

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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.