Home / 40,102.48-55,345.54-23,107.36

Finding the Fourth Proportional to 40,102.48, 55,345.54 and 23,107.36

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Solution

The fourth proportional to 40,102.48, 55,345.54 and 23,107.36 is: 31,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.48 : 55,345.54 = 23,107.36 : x
  2. Step 2: Convert to fraction form
    40,102.48/55,345.54 = 23,107.36/x
  3. Step 3: Cross multiply
    40,102.48x = 55,345.54 × 23,107.36
  4. Step 4: Simplify right side
    40,102.48x = 1,278,889,317.17
  5. Step 5: Solve for x
    x = 1,278,889,317.17/40,102.48
  6. Step 6: Final answer
    x = 31,890.53

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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.