Home / 66,187.27-91,337.65-35,971.23

Finding the Fourth Proportional to 66,187.27, 91,337.65 and 35,971.23

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Solution

The fourth proportional to 66,187.27, 91,337.65 and 35,971.23 is: 49,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,187.27 : 91,337.65 = 35,971.23 : x
  2. Step 2: Convert to fraction form
    66,187.27/91,337.65 = 35,971.23/x
  3. Step 3: Cross multiply
    66,187.27x = 91,337.65 × 35,971.23
  4. Step 4: Simplify right side
    66,187.27x = 3,285,527,525.88
  5. Step 5: Solve for x
    x = 3,285,527,525.88/66,187.27
  6. Step 6: Final answer
    x = 49,639.87

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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.