Home / 40,385.44-55,738.70-23,386.78

Finding the Fourth Proportional to 40,385.44, 55,738.70 and 23,386.78

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Solution

The fourth proportional to 40,385.44, 55,738.70 and 23,386.78 is: 32,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.44 : 55,738.70 = 23,386.78 : x
  2. Step 2: Convert to fraction form
    40,385.44/55,738.70 = 23,386.78/x
  3. Step 3: Cross multiply
    40,385.44x = 55,738.70 × 23,386.78
  4. Step 4: Simplify right side
    40,385.44x = 1,303,548,714.39
  5. Step 5: Solve for x
    x = 1,303,548,714.39/40,385.44
  6. Step 6: Final answer
    x = 32,277.69

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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.