Home / 40,421.61-60,660.14-14,126.36

Finding the Fourth Proportional to 40,421.61, 60,660.14 and 14,126.36

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Solution

The fourth proportional to 40,421.61, 60,660.14 and 14,126.36 is: 21,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.61 : 60,660.14 = 14,126.36 : x
  2. Step 2: Convert to fraction form
    40,421.61/60,660.14 = 14,126.36/x
  3. Step 3: Cross multiply
    40,421.61x = 60,660.14 × 14,126.36
  4. Step 4: Simplify right side
    40,421.61x = 856,906,601.36
  5. Step 5: Solve for x
    x = 856,906,601.36/40,421.61
  6. Step 6: Final answer
    x = 21,199.22

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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.