Home / 66,838.59-92,236.04-39,632.98

Finding the Fourth Proportional to 66,838.59, 92,236.04 and 39,632.98

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Solution

The fourth proportional to 66,838.59, 92,236.04 and 39,632.98 is: 54,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,838.59 : 92,236.04 = 39,632.98 : x
  2. Step 2: Convert to fraction form
    66,838.59/92,236.04 = 39,632.98/x
  3. Step 3: Cross multiply
    66,838.59x = 92,236.04 × 39,632.98
  4. Step 4: Simplify right side
    66,838.59x = 3,655,589,128.60
  5. Step 5: Solve for x
    x = 3,655,589,128.60/66,838.59
  6. Step 6: Final answer
    x = 54,692.79

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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.