Home / 55,494.36-76,583.58-30,345.72

Finding the Fourth Proportional to 55,494.36, 76,583.58 and 30,345.72

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Solution

The fourth proportional to 55,494.36, 76,583.58 and 30,345.72 is: 41,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,494.36 : 76,583.58 = 30,345.72 : x
  2. Step 2: Convert to fraction form
    55,494.36/76,583.58 = 30,345.72/x
  3. Step 3: Cross multiply
    55,494.36x = 76,583.58 × 30,345.72
  4. Step 4: Simplify right side
    55,494.36x = 2,323,983,875.28
  5. Step 5: Solve for x
    x = 2,323,983,875.28/55,494.36
  6. Step 6: Final answer
    x = 41,877.84

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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.