Home / 42,009.09-57,973.62-23,146.23

Finding the Fourth Proportional to 42,009.09, 57,973.62 and 23,146.23

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Solution

The fourth proportional to 42,009.09, 57,973.62 and 23,146.23 is: 31,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009.09 : 57,973.62 = 23,146.23 : x
  2. Step 2: Convert to fraction form
    42,009.09/57,973.62 = 23,146.23/x
  3. Step 3: Cross multiply
    42,009.09x = 57,973.62 × 23,146.23
  4. Step 4: Simplify right side
    42,009.09x = 1,341,870,742.45
  5. Step 5: Solve for x
    x = 1,341,870,742.45/42,009.09
  6. Step 6: Final answer
    x = 31,942.39

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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.