Home / 40,118.76-60,161.64-12,028.92

Finding the Fourth Proportional to 40,118.76, 60,161.64 and 12,028.92

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Solution

The fourth proportional to 40,118.76, 60,161.64 and 12,028.92 is: 18,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,118.76 : 60,161.64 = 12,028.92 : x
  2. Step 2: Convert to fraction form
    40,118.76/60,161.64 = 12,028.92/x
  3. Step 3: Cross multiply
    40,118.76x = 60,161.64 × 12,028.92
  4. Step 4: Simplify right side
    40,118.76x = 723,679,554.63
  5. Step 5: Solve for x
    x = 723,679,554.63/40,118.76
  6. Step 6: Final answer
    x = 18,038.43

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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.