Home / 53,666.64-80,502.24-18,128.80

Finding the Fourth Proportional to 53,666.64, 80,502.24 and 18,128.80

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Solution

The fourth proportional to 53,666.64, 80,502.24 and 18,128.80 is: 27,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,666.64 : 80,502.24 = 18,128.80 : x
  2. Step 2: Convert to fraction form
    53,666.64/80,502.24 = 18,128.80/x
  3. Step 3: Cross multiply
    53,666.64x = 80,502.24 × 18,128.80
  4. Step 4: Simplify right side
    53,666.64x = 1,459,409,008.51
  5. Step 5: Solve for x
    x = 1,459,409,008.51/53,666.64
  6. Step 6: Final answer
    x = 27,193.97

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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.