Home / 34,011.36-51,018.48-20,855.52

Finding the Fourth Proportional to 34,011.36, 51,018.48 and 20,855.52

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Solution

The fourth proportional to 34,011.36, 51,018.48 and 20,855.52 is: 31,284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,011.36 : 51,018.48 = 20,855.52 : x
  2. Step 2: Convert to fraction form
    34,011.36/51,018.48 = 20,855.52/x
  3. Step 3: Cross multiply
    34,011.36x = 51,018.48 × 20,855.52
  4. Step 4: Simplify right side
    34,011.36x = 1,064,016,930.01
  5. Step 5: Solve for x
    x = 1,064,016,930.01/34,011.36
  6. Step 6: Final answer
    x = 31,284.16

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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.