Home / 40,425.36-55,788.70-22,520.34

Finding the Fourth Proportional to 40,425.36, 55,788.70 and 22,520.34

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Solution

The fourth proportional to 40,425.36, 55,788.70 and 22,520.34 is: 31,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.36 : 55,788.70 = 22,520.34 : x
  2. Step 2: Convert to fraction form
    40,425.36/55,788.70 = 22,520.34/x
  3. Step 3: Cross multiply
    40,425.36x = 55,788.70 × 22,520.34
  4. Step 4: Simplify right side
    40,425.36x = 1,256,380,492.16
  5. Step 5: Solve for x
    x = 1,256,380,492.16/40,425.36
  6. Step 6: Final answer
    x = 31,079.02

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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.