Home / 51,013.52-70,378.44-29,499.30

Finding the Fourth Proportional to 51,013.52, 70,378.44 and 29,499.30

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Solution

The fourth proportional to 51,013.52, 70,378.44 and 29,499.30 is: 40,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.52 : 70,378.44 = 29,499.30 : x
  2. Step 2: Convert to fraction form
    51,013.52/70,378.44 = 29,499.30/x
  3. Step 3: Cross multiply
    51,013.52x = 70,378.44 × 29,499.30
  4. Step 4: Simplify right side
    51,013.52x = 2,076,114,715.09
  5. Step 5: Solve for x
    x = 2,076,114,715.09/51,013.52
  6. Step 6: Final answer
    x = 40,697.35

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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.