Home / 67,289.67-92,859.75-39,011.76

Finding the Fourth Proportional to 67,289.67, 92,859.75 and 39,011.76

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Solution

The fourth proportional to 67,289.67, 92,859.75 and 39,011.76 is: 53,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,289.67 : 92,859.75 = 39,011.76 : x
  2. Step 2: Convert to fraction form
    67,289.67/92,859.75 = 39,011.76/x
  3. Step 3: Cross multiply
    67,289.67x = 92,859.75 × 39,011.76
  4. Step 4: Simplify right side
    67,289.67x = 3,622,622,280.66
  5. Step 5: Solve for x
    x = 3,622,622,280.66/67,289.67
  6. Step 6: Final answer
    x = 53,836.23

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1.5x scale

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.