Home / 40,939.48-56,495.71-22,790.08

Finding the Fourth Proportional to 40,939.48, 56,495.71 and 22,790.08

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Solution

The fourth proportional to 40,939.48, 56,495.71 and 22,790.08 is: 31,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,939.48 : 56,495.71 = 22,790.08 : x
  2. Step 2: Convert to fraction form
    40,939.48/56,495.71 = 22,790.08/x
  3. Step 3: Cross multiply
    40,939.48x = 56,495.71 × 22,790.08
  4. Step 4: Simplify right side
    40,939.48x = 1,287,541,750.56
  5. Step 5: Solve for x
    x = 1,287,541,750.56/40,939.48
  6. Step 6: Final answer
    x = 31,449.88

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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.