Home / 40,213.16-55,491.54-22,308.12

Finding the Fourth Proportional to 40,213.16, 55,491.54 and 22,308.12

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Solution

The fourth proportional to 40,213.16, 55,491.54 and 22,308.12 is: 30,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,213.16 : 55,491.54 = 22,308.12 : x
  2. Step 2: Convert to fraction form
    40,213.16/55,491.54 = 22,308.12/x
  3. Step 3: Cross multiply
    40,213.16x = 55,491.54 × 22,308.12
  4. Step 4: Simplify right side
    40,213.16x = 1,237,911,725.21
  5. Step 5: Solve for x
    x = 1,237,911,725.21/40,213.16
  6. Step 6: Final answer
    x = 30,783.75

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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.