Home / 40,180.63-55,449.77-23,188.40

Finding the Fourth Proportional to 40,180.63, 55,449.77 and 23,188.40

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Solution

The fourth proportional to 40,180.63, 55,449.77 and 23,188.40 is: 32,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,180.63 : 55,449.77 = 23,188.40 : x
  2. Step 2: Convert to fraction form
    40,180.63/55,449.77 = 23,188.40/x
  3. Step 3: Cross multiply
    40,180.63x = 55,449.77 × 23,188.40
  4. Step 4: Simplify right side
    40,180.63x = 1,285,791,446.67
  5. Step 5: Solve for x
    x = 1,285,791,446.67/40,180.63
  6. Step 6: Final answer
    x = 32,000.28

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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.