Home / 35,778.71-53,669.21-17,999.66

Finding the Fourth Proportional to 35,778.71, 53,669.21 and 17,999.66

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Solution

The fourth proportional to 35,778.71, 53,669.21 and 17,999.66 is: 27,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.71 : 53,669.21 = 17,999.66 : x
  2. Step 2: Convert to fraction form
    35,778.71/53,669.21 = 17,999.66/x
  3. Step 3: Cross multiply
    35,778.71x = 53,669.21 × 17,999.66
  4. Step 4: Simplify right side
    35,778.71x = 966,027,576.64
  5. Step 5: Solve for x
    x = 966,027,576.64/35,778.71
  6. Step 6: Final answer
    x = 27,000.07

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1.5x scale

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.