Home / 36,541.59-54,829.30-19,881.78

Finding the Fourth Proportional to 36,541.59, 54,829.30 and 19,881.78

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Solution

The fourth proportional to 36,541.59, 54,829.30 and 19,881.78 is: 29,831.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,541.59 : 54,829.30 = 19,881.78 : x
  2. Step 2: Convert to fraction form
    36,541.59/54,829.30 = 19,881.78/x
  3. Step 3: Cross multiply
    36,541.59x = 54,829.30 × 19,881.78
  4. Step 4: Simplify right side
    36,541.59x = 1,090,104,080.15
  5. Step 5: Solve for x
    x = 1,090,104,080.15/36,541.59
  6. Step 6: Final answer
    x = 29,831.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.