Home / 29,998.75-45,000.35-11,530.75

Finding the Fourth Proportional to 29,998.75, 45,000.35 and 11,530.75

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Solution

The fourth proportional to 29,998.75, 45,000.35 and 11,530.75 is: 17,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,998.75 : 45,000.35 = 11,530.75 : x
  2. Step 2: Convert to fraction form
    29,998.75/45,000.35 = 11,530.75/x
  3. Step 3: Cross multiply
    29,998.75x = 45,000.35 × 11,530.75
  4. Step 4: Simplify right side
    29,998.75x = 518,887,785.76
  5. Step 5: Solve for x
    x = 518,887,785.76/29,998.75
  6. Step 6: Final answer
    x = 17,296.98

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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.