Home / 40,118.84-60,138.54-19,021.88

Finding the Fourth Proportional to 40,118.84, 60,138.54 and 19,021.88

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Solution

The fourth proportional to 40,118.84, 60,138.54 and 19,021.88 is: 28,513.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.84 : 60,138.54 = 19,021.88 : x
  2. Step 2: Convert to fraction form
    40,118.84/60,138.54 = 19,021.88/x
  3. Step 3: Cross multiply
    40,118.84x = 60,138.54 × 19,021.88
  4. Step 4: Simplify right side
    40,118.84x = 1,143,948,091.26
  5. Step 5: Solve for x
    x = 1,143,948,091.26/40,118.84
  6. Step 6: Final answer
    x = 28,513.99

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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.