Home / 39,904.82-55,069.02-22,000.46

Finding the Fourth Proportional to 39,904.82, 55,069.02 and 22,000.46

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Solution

The fourth proportional to 39,904.82, 55,069.02 and 22,000.46 is: 30,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.82 : 55,069.02 = 22,000.46 : x
  2. Step 2: Convert to fraction form
    39,904.82/55,069.02 = 22,000.46/x
  3. Step 3: Cross multiply
    39,904.82x = 55,069.02 × 22,000.46
  4. Step 4: Simplify right side
    39,904.82x = 1,211,543,496.40
  5. Step 5: Solve for x
    x = 1,211,543,496.40/39,904.82
  6. Step 6: Final answer
    x = 30,360.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.