Home / 50,772.34-76,047.61-21,100.22

Finding the Fourth Proportional to 50,772.34, 76,047.61 and 21,100.22

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Solution

The fourth proportional to 50,772.34, 76,047.61 and 21,100.22 is: 31,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,772.34 : 76,047.61 = 21,100.22 : x
  2. Step 2: Convert to fraction form
    50,772.34/76,047.61 = 21,100.22/x
  3. Step 3: Cross multiply
    50,772.34x = 76,047.61 × 21,100.22
  4. Step 4: Simplify right side
    50,772.34x = 1,604,621,301.47
  5. Step 5: Solve for x
    x = 1,604,621,301.47/50,772.34
  6. Step 6: Final answer
    x = 31,604.24

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1.5x scale

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.