Home / 51,585.30-77,389.61-18,305.40

Finding the Fourth Proportional to 51,585.30, 77,389.61 and 18,305.40

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Solution

The fourth proportional to 51,585.30, 77,389.61 and 18,305.40 is: 27,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585.30 : 77,389.61 = 18,305.40 : x
  2. Step 2: Convert to fraction form
    51,585.30/77,389.61 = 18,305.40/x
  3. Step 3: Cross multiply
    51,585.30x = 77,389.61 × 18,305.40
  4. Step 4: Simplify right side
    51,585.30x = 1,416,647,766.89
  5. Step 5: Solve for x
    x = 1,416,647,766.89/51,585.30
  6. Step 6: Final answer
    x = 27,462.24

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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.