Home / 55,186.40-82,714.80-25,541.63

Finding the Fourth Proportional to 55,186.40, 82,714.80 and 25,541.63

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Solution

The fourth proportional to 55,186.40, 82,714.80 and 25,541.63 is: 38,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186.40 : 82,714.80 = 25,541.63 : x
  2. Step 2: Convert to fraction form
    55,186.40/82,714.80 = 25,541.63/x
  3. Step 3: Cross multiply
    55,186.40x = 82,714.80 × 25,541.63
  4. Step 4: Simplify right side
    55,186.40x = 2,112,670,817.12
  5. Step 5: Solve for x
    x = 2,112,670,817.12/55,186.40
  6. Step 6: Final answer
    x = 38,282.45

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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.