Home / 66,958.27-92,367.53-39,718.51

Finding the Fourth Proportional to 66,958.27, 92,367.53 and 39,718.51

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Solution

The fourth proportional to 66,958.27, 92,367.53 and 39,718.51 is: 54,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.27 : 92,367.53 = 39,718.51 : x
  2. Step 2: Convert to fraction form
    66,958.27/92,367.53 = 39,718.51/x
  3. Step 3: Cross multiply
    66,958.27x = 92,367.53 × 39,718.51
  4. Step 4: Simplify right side
    66,958.27x = 3,668,700,465.39
  5. Step 5: Solve for x
    x = 3,668,700,465.39/66,958.27
  6. Step 6: Final answer
    x = 54,790.85

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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.