Home / 84,017.30-126,038.39-27,072.12

Finding the Fourth Proportional to 84,017.30, 126,038.39 and 27,072.12

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Solution

The fourth proportional to 84,017.30, 126,038.39 and 27,072.12 is: 40,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,017.30 : 126,038.39 = 27,072.12 : x
  2. Step 2: Convert to fraction form
    84,017.30/126,038.39 = 27,072.12/x
  3. Step 3: Cross multiply
    84,017.30x = 126,038.39 × 27,072.12
  4. Step 4: Simplify right side
    84,017.30x = 3,412,126,486.37
  5. Step 5: Solve for x
    x = 3,412,126,486.37/84,017.30
  6. Step 6: Final answer
    x = 40,612.19

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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.