Home / 30,005.68-41,402.08-18,069.80

Finding the Fourth Proportional to 30,005.68, 41,402.08 and 18,069.80

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Solution

The fourth proportional to 30,005.68, 41,402.08 and 18,069.80 is: 24,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.68 : 41,402.08 = 18,069.80 : x
  2. Step 2: Convert to fraction form
    30,005.68/41,402.08 = 18,069.80/x
  3. Step 3: Cross multiply
    30,005.68x = 41,402.08 × 18,069.80
  4. Step 4: Simplify right side
    30,005.68x = 748,127,305.18
  5. Step 5: Solve for x
    x = 748,127,305.18/30,005.68
  6. Step 6: Final answer
    x = 24,932.86

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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.