Home / 37,219.80-51,367.76-21,309.36

Finding the Fourth Proportional to 37,219.80, 51,367.76 and 21,309.36

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Solution

The fourth proportional to 37,219.80, 51,367.76 and 21,309.36 is: 29,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,219.80 : 51,367.76 = 21,309.36 : x
  2. Step 2: Convert to fraction form
    37,219.80/51,367.76 = 21,309.36/x
  3. Step 3: Cross multiply
    37,219.80x = 51,367.76 × 21,309.36
  4. Step 4: Simplify right side
    37,219.80x = 1,094,614,090.23
  5. Step 5: Solve for x
    x = 1,094,614,090.23/37,219.80
  6. Step 6: Final answer
    x = 29,409.46

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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.