Home / 55,785.77-76,984.08-30,291.91

Finding the Fourth Proportional to 55,785.77, 76,984.08 and 30,291.91

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Solution

The fourth proportional to 55,785.77, 76,984.08 and 30,291.91 is: 41,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,785.77 : 76,984.08 = 30,291.91 : x
  2. Step 2: Convert to fraction form
    55,785.77/76,984.08 = 30,291.91/x
  3. Step 3: Cross multiply
    55,785.77x = 76,984.08 × 30,291.91
  4. Step 4: Simplify right side
    55,785.77x = 2,331,994,683.37
  5. Step 5: Solve for x
    x = 2,331,994,683.37/55,785.77
  6. Step 6: Final answer
    x = 41,802.68

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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.