Home / 51,288.04-76,932.06-40,965.40

Finding the Fourth Proportional to 51,288.04, 76,932.06 and 40,965.40

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Solution

The fourth proportional to 51,288.04, 76,932.06 and 40,965.40 is: 61,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,288.04 : 76,932.06 = 40,965.40 : x
  2. Step 2: Convert to fraction form
    51,288.04/76,932.06 = 40,965.40/x
  3. Step 3: Cross multiply
    51,288.04x = 76,932.06 × 40,965.40
  4. Step 4: Simplify right side
    51,288.04x = 3,151,552,610.72
  5. Step 5: Solve for x
    x = 3,151,552,610.72/51,288.04
  6. Step 6: Final answer
    x = 61,448.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.