Home / 55,007.40-82,513.80-28,763.40

Finding the Fourth Proportional to 55,007.40, 82,513.80 and 28,763.40

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Solution

The fourth proportional to 55,007.40, 82,513.80 and 28,763.40 is: 43,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.40 : 82,513.80 = 28,763.40 : x
  2. Step 2: Convert to fraction form
    55,007.40/82,513.80 = 28,763.40/x
  3. Step 3: Cross multiply
    55,007.40x = 82,513.80 × 28,763.40
  4. Step 4: Simplify right side
    55,007.40x = 2,373,377,434.92
  5. Step 5: Solve for x
    x = 2,373,377,434.92/55,007.40
  6. Step 6: Final answer
    x = 43,146.51

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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.