Home / 20,045.52-30,069.09-6,005.79

Finding the Fourth Proportional to 20,045.52, 30,069.09 and 6,005.79

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Solution

The fourth proportional to 20,045.52, 30,069.09 and 6,005.79 is: 9,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.52 : 30,069.09 = 6,005.79 : x
  2. Step 2: Convert to fraction form
    20,045.52/30,069.09 = 6,005.79/x
  3. Step 3: Cross multiply
    20,045.52x = 30,069.09 × 6,005.79
  4. Step 4: Simplify right side
    20,045.52x = 180,588,640.03
  5. Step 5: Solve for x
    x = 180,588,640.03/20,045.52
  6. Step 6: Final answer
    x = 9,008.93

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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.