Home / 35,457.66-53,186.49-20,666.52

Finding the Fourth Proportional to 35,457.66, 53,186.49 and 20,666.52

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Solution

The fourth proportional to 35,457.66, 53,186.49 and 20,666.52 is: 30,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.66 : 53,186.49 = 20,666.52 : x
  2. Step 2: Convert to fraction form
    35,457.66/53,186.49 = 20,666.52/x
  3. Step 3: Cross multiply
    35,457.66x = 53,186.49 × 20,666.52
  4. Step 4: Simplify right side
    35,457.66x = 1,099,179,659.31
  5. Step 5: Solve for x
    x = 1,099,179,659.31/35,457.66
  6. Step 6: Final answer
    x = 30,999.78

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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.