Home / 51,490.08-71,007.84-40,914.72

Finding the Fourth Proportional to 51,490.08, 71,007.84 and 40,914.72

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Solution

The fourth proportional to 51,490.08, 71,007.84 and 40,914.72 is: 56,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,490.08 : 71,007.84 = 40,914.72 : x
  2. Step 2: Convert to fraction form
    51,490.08/71,007.84 = 40,914.72/x
  3. Step 3: Cross multiply
    51,490.08x = 71,007.84 × 40,914.72
  4. Step 4: Simplify right side
    51,490.08x = 2,905,265,891.40
  5. Step 5: Solve for x
    x = 2,905,265,891.40/51,490.08
  6. Step 6: Final answer
    x = 56,423.80

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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.