Home / 55,732.20-83,595.12-40,754.64

Finding the Fourth Proportional to 55,732.20, 83,595.12 and 40,754.64

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Solution

The fourth proportional to 55,732.20, 83,595.12 and 40,754.64 is: 61,129.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.20 : 83,595.12 = 40,754.64 : x
  2. Step 2: Convert to fraction form
    55,732.20/83,595.12 = 40,754.64/x
  3. Step 3: Cross multiply
    55,732.20x = 83,595.12 × 40,754.64
  4. Step 4: Simplify right side
    55,732.20x = 3,406,889,021.36
  5. Step 5: Solve for x
    x = 3,406,889,021.36/55,732.20
  6. Step 6: Final answer
    x = 61,129.63

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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.