Home / 55,789.16-76,988.73-30,295.28

Finding the Fourth Proportional to 55,789.16, 76,988.73 and 30,295.28

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Solution

The fourth proportional to 55,789.16, 76,988.73 and 30,295.28 is: 41,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,789.16 : 76,988.73 = 30,295.28 : x
  2. Step 2: Convert to fraction form
    55,789.16/76,988.73 = 30,295.28/x
  3. Step 3: Cross multiply
    55,789.16x = 76,988.73 × 30,295.28
  4. Step 4: Simplify right side
    55,789.16x = 2,332,395,267.86
  5. Step 5: Solve for x
    x = 2,332,395,267.86/55,789.16
  6. Step 6: Final answer
    x = 41,807.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.