Home / 57,071.70-85,558.86-40,379.22

Finding the Fourth Proportional to 57,071.70, 85,558.86 and 40,379.22

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Solution

The fourth proportional to 57,071.70, 85,558.86 and 40,379.22 is: 60,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,071.70 : 85,558.86 = 40,379.22 : x
  2. Step 2: Convert to fraction form
    57,071.70/85,558.86 = 40,379.22/x
  3. Step 3: Cross multiply
    57,071.70x = 85,558.86 × 40,379.22
  4. Step 4: Simplify right side
    57,071.70x = 3,454,800,030.89
  5. Step 5: Solve for x
    x = 3,454,800,030.89/57,071.70
  6. Step 6: Final answer
    x = 60,534.38

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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.