Home / 51,051.24-70,449.30-28,389.96

Finding the Fourth Proportional to 51,051.24, 70,449.30 and 28,389.96

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Solution

The fourth proportional to 51,051.24, 70,449.30 and 28,389.96 is: 39,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,051.24 : 70,449.30 = 28,389.96 : x
  2. Step 2: Convert to fraction form
    51,051.24/70,449.30 = 28,389.96/x
  3. Step 3: Cross multiply
    51,051.24x = 70,449.30 × 28,389.96
  4. Step 4: Simplify right side
    51,051.24x = 2,000,052,809.03
  5. Step 5: Solve for x
    x = 2,000,052,809.03/51,051.24
  6. Step 6: Final answer
    x = 39,177.36

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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.