Home / 34,189.16-51,254.30-13,407.72

Finding the Fourth Proportional to 34,189.16, 51,254.30 and 13,407.72

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Solution

The fourth proportional to 34,189.16, 51,254.30 and 13,407.72 is: 20,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,189.16 : 51,254.30 = 13,407.72 : x
  2. Step 2: Convert to fraction form
    34,189.16/51,254.30 = 13,407.72/x
  3. Step 3: Cross multiply
    34,189.16x = 51,254.30 × 13,407.72
  4. Step 4: Simplify right side
    34,189.16x = 687,203,303.20
  5. Step 5: Solve for x
    x = 687,203,303.20/34,189.16
  6. Step 6: Final answer
    x = 20,100.03

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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.