Home / 40,939.16-56,481.90-23,031.32

Finding the Fourth Proportional to 40,939.16, 56,481.90 and 23,031.32

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Solution

The fourth proportional to 40,939.16, 56,481.90 and 23,031.32 is: 31,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,939.16 : 56,481.90 = 23,031.32 : x
  2. Step 2: Convert to fraction form
    40,939.16/56,481.90 = 23,031.32/x
  3. Step 3: Cross multiply
    40,939.16x = 56,481.90 × 23,031.32
  4. Step 4: Simplify right side
    40,939.16x = 1,300,852,713.11
  5. Step 5: Solve for x
    x = 1,300,852,713.11/40,939.16
  6. Step 6: Final answer
    x = 31,775.27

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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.