Home / 40,386.58-55,738.71-23,165.66

Finding the Fourth Proportional to 40,386.58, 55,738.71 and 23,165.66

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Solution

The fourth proportional to 40,386.58, 55,738.71 and 23,165.66 is: 31,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.58 : 55,738.71 = 23,165.66 : x
  2. Step 2: Convert to fraction form
    40,386.58/55,738.71 = 23,165.66/x
  3. Step 3: Cross multiply
    40,386.58x = 55,738.71 × 23,165.66
  4. Step 4: Simplify right side
    40,386.58x = 1,291,224,144.05
  5. Step 5: Solve for x
    x = 1,291,224,144.05/40,386.58
  6. Step 6: Final answer
    x = 31,971.62

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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.