Home / 55,112.80-82,712.40-25,534.30

Finding the Fourth Proportional to 55,112.80, 82,712.40 and 25,534.30

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Solution

The fourth proportional to 55,112.80, 82,712.40 and 25,534.30 is: 38,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,112.80 : 82,712.40 = 25,534.30 : x
  2. Step 2: Convert to fraction form
    55,112.80/82,712.40 = 25,534.30/x
  3. Step 3: Cross multiply
    55,112.80x = 82,712.40 × 25,534.30
  4. Step 4: Simplify right side
    55,112.80x = 2,112,003,235.32
  5. Step 5: Solve for x
    x = 2,112,003,235.32/55,112.80
  6. Step 6: Final answer
    x = 38,321.46

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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.