Home / 40,425.45-55,788.84-22,520.46

Finding the Fourth Proportional to 40,425.45, 55,788.84 and 22,520.46

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Solution

The fourth proportional to 40,425.45, 55,788.84 and 22,520.46 is: 31,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.45 : 55,788.84 = 22,520.46 : x
  2. Step 2: Convert to fraction form
    40,425.45/55,788.84 = 22,520.46/x
  3. Step 3: Cross multiply
    40,425.45x = 55,788.84 × 22,520.46
  4. Step 4: Simplify right side
    40,425.45x = 1,256,390,339.67
  5. Step 5: Solve for x
    x = 1,256,390,339.67/40,425.45
  6. Step 6: Final answer
    x = 31,079.19

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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.