Home / 36,929.99-50,957.37-21,820.55

Finding the Fourth Proportional to 36,929.99, 50,957.37 and 21,820.55

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Solution

The fourth proportional to 36,929.99, 50,957.37 and 21,820.55 is: 30,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,929.99 : 50,957.37 = 21,820.55 : x
  2. Step 2: Convert to fraction form
    36,929.99/50,957.37 = 21,820.55/x
  3. Step 3: Cross multiply
    36,929.99x = 50,957.37 × 21,820.55
  4. Step 4: Simplify right side
    36,929.99x = 1,111,917,585.17
  5. Step 5: Solve for x
    x = 1,111,917,585.17/36,929.99
  6. Step 6: Final answer
    x = 30,108.80

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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.