Home / 42,009.73-57,973.61-23,146.86

Finding the Fourth Proportional to 42,009.73, 57,973.61 and 23,146.86

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Solution

The fourth proportional to 42,009.73, 57,973.61 and 23,146.86 is: 31,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009.73 : 57,973.61 = 23,146.86 : x
  2. Step 2: Convert to fraction form
    42,009.73/57,973.61 = 23,146.86/x
  3. Step 3: Cross multiply
    42,009.73x = 57,973.61 × 23,146.86
  4. Step 4: Simplify right side
    42,009.73x = 1,341,907,034.36
  5. Step 5: Solve for x
    x = 1,341,907,034.36/42,009.73
  6. Step 6: Final answer
    x = 31,942.77

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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.