Home / 56,857.84-85,217.57-40,222.67

Finding the Fourth Proportional to 56,857.84, 85,217.57 and 40,222.67

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Solution

The fourth proportional to 56,857.84, 85,217.57 and 40,222.67 is: 60,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,857.84 : 85,217.57 = 40,222.67 : x
  2. Step 2: Convert to fraction form
    56,857.84/85,217.57 = 40,222.67/x
  3. Step 3: Cross multiply
    56,857.84x = 85,217.57 × 40,222.67
  4. Step 4: Simplify right side
    56,857.84x = 3,427,677,870.78
  5. Step 5: Solve for x
    x = 3,427,677,870.78/56,857.84
  6. Step 6: Final answer
    x = 60,285.06

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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.