Home / 36,491.47-50,358.79-21,380.52

Finding the Fourth Proportional to 36,491.47, 50,358.79 and 21,380.52

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Solution

The fourth proportional to 36,491.47, 50,358.79 and 21,380.52 is: 29,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,491.47 : 50,358.79 = 21,380.52 : x
  2. Step 2: Convert to fraction form
    36,491.47/50,358.79 = 21,380.52/x
  3. Step 3: Cross multiply
    36,491.47x = 50,358.79 × 21,380.52
  4. Step 4: Simplify right side
    36,491.47x = 1,076,697,116.77
  5. Step 5: Solve for x
    x = 1,076,697,116.77/36,491.47
  6. Step 6: Final answer
    x = 29,505.45

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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.