Home / 54,807.45-82,205.10-15,368.55

Finding the Fourth Proportional to 54,807.45, 82,205.10 and 15,368.55

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Solution

The fourth proportional to 54,807.45, 82,205.10 and 15,368.55 is: 23,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,807.45 : 82,205.10 = 15,368.55 : x
  2. Step 2: Convert to fraction form
    54,807.45/82,205.10 = 15,368.55/x
  3. Step 3: Cross multiply
    54,807.45x = 82,205.10 × 15,368.55
  4. Step 4: Simplify right side
    54,807.45x = 1,263,373,189.61
  5. Step 5: Solve for x
    x = 1,263,373,189.61/54,807.45
  6. Step 6: Final answer
    x = 23,051.12

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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.