Home / 40,213.34-55,491.80-22,308.31

Finding the Fourth Proportional to 40,213.34, 55,491.80 and 22,308.31

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Solution

The fourth proportional to 40,213.34, 55,491.80 and 22,308.31 is: 30,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,213.34 : 55,491.80 = 22,308.31 : x
  2. Step 2: Convert to fraction form
    40,213.34/55,491.80 = 22,308.31/x
  3. Step 3: Cross multiply
    40,213.34x = 55,491.80 × 22,308.31
  4. Step 4: Simplify right side
    40,213.34x = 1,237,928,048.02
  5. Step 5: Solve for x
    x = 1,237,928,048.02/40,213.34
  6. Step 6: Final answer
    x = 30,784.01

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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.