Home / 53,350.98-79,947.28-21,722.35

Finding the Fourth Proportional to 53,350.98, 79,947.28 and 21,722.35

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Solution

The fourth proportional to 53,350.98, 79,947.28 and 21,722.35 is: 32,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,350.98 : 79,947.28 = 21,722.35 : x
  2. Step 2: Convert to fraction form
    53,350.98/79,947.28 = 21,722.35/x
  3. Step 3: Cross multiply
    53,350.98x = 79,947.28 × 21,722.35
  4. Step 4: Simplify right side
    53,350.98x = 1,736,642,289.36
  5. Step 5: Solve for x
    x = 1,736,642,289.36/53,350.98
  6. Step 6: Final answer
    x = 32,551.27

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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.