Home / 40,568.10-56,022.30-38,359.23

Finding the Fourth Proportional to 40,568.10, 56,022.30 and 38,359.23

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Solution

The fourth proportional to 40,568.10, 56,022.30 and 38,359.23 is: 52,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,568.10 : 56,022.30 = 38,359.23 : x
  2. Step 2: Convert to fraction form
    40,568.10/56,022.30 = 38,359.23/x
  3. Step 3: Cross multiply
    40,568.10x = 56,022.30 × 38,359.23
  4. Step 4: Simplify right side
    40,568.10x = 2,148,972,290.83
  5. Step 5: Solve for x
    x = 2,148,972,290.83/40,568.10
  6. Step 6: Final answer
    x = 52,971.97

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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.