Home / 66,548.24-91,856.52-39,709.52

Finding the Fourth Proportional to 66,548.24, 91,856.52 and 39,709.52

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Solution

The fourth proportional to 66,548.24, 91,856.52 and 39,709.52 is: 54,811.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.24 : 91,856.52 = 39,709.52 : x
  2. Step 2: Convert to fraction form
    66,548.24/91,856.52 = 39,709.52/x
  3. Step 3: Cross multiply
    66,548.24x = 91,856.52 × 39,709.52
  4. Step 4: Simplify right side
    66,548.24x = 3,647,578,318.07
  5. Step 5: Solve for x
    x = 3,647,578,318.07/66,548.24
  6. Step 6: Final answer
    x = 54,811.04

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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.