Home / 56,960.88-85,428.18-16,971.72

Finding the Fourth Proportional to 56,960.88, 85,428.18 and 16,971.72

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Solution

The fourth proportional to 56,960.88, 85,428.18 and 16,971.72 is: 25,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,960.88 : 85,428.18 = 16,971.72 : x
  2. Step 2: Convert to fraction form
    56,960.88/85,428.18 = 16,971.72/x
  3. Step 3: Cross multiply
    56,960.88x = 85,428.18 × 16,971.72
  4. Step 4: Simplify right side
    56,960.88x = 1,449,863,151.07
  5. Step 5: Solve for x
    x = 1,449,863,151.07/56,960.88
  6. Step 6: Final answer
    x = 25,453.66

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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.