Home / 34,339.20-51,484.20-13,261.20

Finding the Fourth Proportional to 34,339.20, 51,484.20 and 13,261.20

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Solution

The fourth proportional to 34,339.20, 51,484.20 and 13,261.20 is: 19,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,339.20 : 51,484.20 = 13,261.20 : x
  2. Step 2: Convert to fraction form
    34,339.20/51,484.20 = 13,261.20/x
  3. Step 3: Cross multiply
    34,339.20x = 51,484.20 × 13,261.20
  4. Step 4: Simplify right side
    34,339.20x = 682,742,273.04
  5. Step 5: Solve for x
    x = 682,742,273.04/34,339.20
  6. Step 6: Final answer
    x = 19,882.30

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1.5x scale

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.