Home / 51,147.40-76,714.86-13,710.28

Finding the Fourth Proportional to 51,147.40, 76,714.86 and 13,710.28

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Solution

The fourth proportional to 51,147.40, 76,714.86 and 13,710.28 is: 20,563.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,147.40 : 76,714.86 = 13,710.28 : x
  2. Step 2: Convert to fraction form
    51,147.40/76,714.86 = 13,710.28/x
  3. Step 3: Cross multiply
    51,147.40x = 76,714.86 × 13,710.28
  4. Step 4: Simplify right side
    51,147.40x = 1,051,782,210.76
  5. Step 5: Solve for x
    x = 1,051,782,210.76/51,147.40
  6. Step 6: Final answer
    x = 20,563.75

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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.