Home / 40,204.79-55,478.42-23,203.30

Finding the Fourth Proportional to 40,204.79, 55,478.42 and 23,203.30

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Solution

The fourth proportional to 40,204.79, 55,478.42 and 23,203.30 is: 32,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,204.79 : 55,478.42 = 23,203.30 : x
  2. Step 2: Convert to fraction form
    40,204.79/55,478.42 = 23,203.30/x
  3. Step 3: Cross multiply
    40,204.79x = 55,478.42 × 23,203.30
  4. Step 4: Simplify right side
    40,204.79x = 1,287,282,422.79
  5. Step 5: Solve for x
    x = 1,287,282,422.79/40,204.79
  6. Step 6: Final answer
    x = 32,018.14

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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.