Home / 51,331.96-70,837.98-30,111.04

Finding the Fourth Proportional to 51,331.96, 70,837.98 and 30,111.04

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Solution

The fourth proportional to 51,331.96, 70,837.98 and 30,111.04 is: 41,553.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,331.96 : 70,837.98 = 30,111.04 : x
  2. Step 2: Convert to fraction form
    51,331.96/70,837.98 = 30,111.04/x
  3. Step 3: Cross multiply
    51,331.96x = 70,837.98 × 30,111.04
  4. Step 4: Simplify right side
    51,331.96x = 2,133,005,249.30
  5. Step 5: Solve for x
    x = 2,133,005,249.30/51,331.96
  6. Step 6: Final answer
    x = 41,553.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.