Home / 66,045.27-91,142.50-35,830.58

Finding the Fourth Proportional to 66,045.27, 91,142.50 and 35,830.58

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Solution

The fourth proportional to 66,045.27, 91,142.50 and 35,830.58 is: 49,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,045.27 : 91,142.50 = 35,830.58 : x
  2. Step 2: Convert to fraction form
    66,045.27/91,142.50 = 35,830.58/x
  3. Step 3: Cross multiply
    66,045.27x = 91,142.50 × 35,830.58
  4. Step 4: Simplify right side
    66,045.27x = 3,265,688,910.29
  5. Step 5: Solve for x
    x = 3,265,688,910.29/66,045.27
  6. Step 6: Final answer
    x = 49,446.22

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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.