Home / 40,162.23-55,422.93-23,166.51

Finding the Fourth Proportional to 40,162.23, 55,422.93 and 23,166.51

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Solution

The fourth proportional to 40,162.23, 55,422.93 and 23,166.51 is: 31,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.23 : 55,422.93 = 23,166.51 : x
  2. Step 2: Convert to fraction form
    40,162.23/55,422.93 = 23,166.51/x
  3. Step 3: Cross multiply
    40,162.23x = 55,422.93 × 23,166.51
  4. Step 4: Simplify right side
    40,162.23x = 1,283,955,741.11
  5. Step 5: Solve for x
    x = 1,283,955,741.11/40,162.23
  6. Step 6: Final answer
    x = 31,969.23

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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.