Home / 66,925.41-100,328.58-25,401.57

Finding the Fourth Proportional to 66,925.41, 100,328.58 and 25,401.57

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Solution

The fourth proportional to 66,925.41, 100,328.58 and 25,401.57 is: 38,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,925.41 : 100,328.58 = 25,401.57 : x
  2. Step 2: Convert to fraction form
    66,925.41/100,328.58 = 25,401.57/x
  3. Step 3: Cross multiply
    66,925.41x = 100,328.58 × 25,401.57
  4. Step 4: Simplify right side
    66,925.41x = 2,548,503,447.87
  5. Step 5: Solve for x
    x = 2,548,503,447.87/66,925.41
  6. Step 6: Final answer
    x = 38,079.76

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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.