Home / 43,826.40-60,415.20-31,060.80

Finding the Fourth Proportional to 43,826.40, 60,415.20 and 31,060.80

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Solution

The fourth proportional to 43,826.40, 60,415.20 and 31,060.80 is: 42,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,826.40 : 60,415.20 = 31,060.80 : x
  2. Step 2: Convert to fraction form
    43,826.40/60,415.20 = 31,060.80/x
  3. Step 3: Cross multiply
    43,826.40x = 60,415.20 × 31,060.80
  4. Step 4: Simplify right side
    43,826.40x = 1,876,544,444.16
  5. Step 5: Solve for x
    x = 1,876,544,444.16/43,826.40
  6. Step 6: Final answer
    x = 42,817.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.