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Finding the Fourth Proportional to 40,221, 60,329.04 and 18,028.42

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Solution

The fourth proportional to 40,221, 60,329.04 and 18,028.42 is: 27,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221 : 60,329.04 = 18,028.42 : x
  2. Step 2: Convert to fraction form
    40,221/60,329.04 = 18,028.42/x
  3. Step 3: Cross multiply
    40,221x = 60,329.04 × 18,028.42
  4. Step 4: Simplify right side
    40,221x = 1,087,637,271.32
  5. Step 5: Solve for x
    x = 1,087,637,271.32/40,221
  6. Step 6: Final answer
    x = 27,041.53

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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.