Home / 53,665.64-80,500.74-18,127.80

Finding the Fourth Proportional to 53,665.64, 80,500.74 and 18,127.80

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Solution

The fourth proportional to 53,665.64, 80,500.74 and 18,127.80 is: 27,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,665.64 : 80,500.74 = 18,127.80 : x
  2. Step 2: Convert to fraction form
    53,665.64/80,500.74 = 18,127.80/x
  3. Step 3: Cross multiply
    53,665.64x = 80,500.74 × 18,127.80
  4. Step 4: Simplify right side
    53,665.64x = 1,459,301,246.59
  5. Step 5: Solve for x
    x = 1,459,301,246.59/53,665.64
  6. Step 6: Final answer
    x = 27,192.47

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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.