Home / 55,458.72-76,443.38-43,338.14

Finding the Fourth Proportional to 55,458.72, 76,443.38 and 43,338.14

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Solution

The fourth proportional to 55,458.72, 76,443.38 and 43,338.14 is: 59,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,458.72 : 76,443.38 = 43,338.14 : x
  2. Step 2: Convert to fraction form
    55,458.72/76,443.38 = 43,338.14/x
  3. Step 3: Cross multiply
    55,458.72x = 76,443.38 × 43,338.14
  4. Step 4: Simplify right side
    55,458.72x = 3,312,913,904.51
  5. Step 5: Solve for x
    x = 3,312,913,904.51/55,458.72
  6. Step 6: Final answer
    x = 59,736.57

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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.