Home / 84,444.72-126,665.64-29,039.28

Finding the Fourth Proportional to 84,444.72, 126,665.64 and 29,039.28

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Solution

The fourth proportional to 84,444.72, 126,665.64 and 29,039.28 is: 43,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,444.72 : 126,665.64 = 29,039.28 : x
  2. Step 2: Convert to fraction form
    84,444.72/126,665.64 = 29,039.28/x
  3. Step 3: Cross multiply
    84,444.72x = 126,665.64 × 29,039.28
  4. Step 4: Simplify right side
    84,444.72x = 3,678,278,986.34
  5. Step 5: Solve for x
    x = 3,678,278,986.34/84,444.72
  6. Step 6: Final answer
    x = 43,558.42

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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.