Home / 55,036.78-75,950.65-29,886.28

Finding the Fourth Proportional to 55,036.78, 75,950.65 and 29,886.28

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Solution

The fourth proportional to 55,036.78, 75,950.65 and 29,886.28 is: 41,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.78 : 75,950.65 = 29,886.28 : x
  2. Step 2: Convert to fraction form
    55,036.78/75,950.65 = 29,886.28/x
  3. Step 3: Cross multiply
    55,036.78x = 75,950.65 × 29,886.28
  4. Step 4: Simplify right side
    55,036.78x = 2,269,882,392.08
  5. Step 5: Solve for x
    x = 2,269,882,392.08/55,036.78
  6. Step 6: Final answer
    x = 41,243.01

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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.