Home / 41,409.49-57,162.27-31,340.74

Finding the Fourth Proportional to 41,409.49, 57,162.27 and 31,340.74

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Solution

The fourth proportional to 41,409.49, 57,162.27 and 31,340.74 is: 43,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,409.49 : 57,162.27 = 31,340.74 : x
  2. Step 2: Convert to fraction form
    41,409.49/57,162.27 = 31,340.74/x
  3. Step 3: Cross multiply
    41,409.49x = 57,162.27 × 31,340.74
  4. Step 4: Simplify right side
    41,409.49x = 1,791,507,841.88
  5. Step 5: Solve for x
    x = 1,791,507,841.88/41,409.49
  6. Step 6: Final answer
    x = 43,263.22

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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.