Home / 34,090.40-51,138.30-11,903.30

Finding the Fourth Proportional to 34,090.40, 51,138.30 and 11,903.30

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Solution

The fourth proportional to 34,090.40, 51,138.30 and 11,903.30 is: 17,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,090.40 : 51,138.30 = 11,903.30 : x
  2. Step 2: Convert to fraction form
    34,090.40/51,138.30 = 11,903.30/x
  3. Step 3: Cross multiply
    34,090.40x = 51,138.30 × 11,903.30
  4. Step 4: Simplify right side
    34,090.40x = 608,714,526.39
  5. Step 5: Solve for x
    x = 608,714,526.39/34,090.40
  6. Step 6: Final answer
    x = 17,855.89

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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.