Home / 66,210.29-91,370.12-35,995.53

Finding the Fourth Proportional to 66,210.29, 91,370.12 and 35,995.53

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Solution

The fourth proportional to 66,210.29, 91,370.12 and 35,995.53 is: 49,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,210.29 : 91,370.12 = 35,995.53 : x
  2. Step 2: Convert to fraction form
    66,210.29/91,370.12 = 35,995.53/x
  3. Step 3: Cross multiply
    66,210.29x = 91,370.12 × 35,995.53
  4. Step 4: Simplify right side
    66,210.29x = 3,288,915,715.59
  5. Step 5: Solve for x
    x = 3,288,915,715.59/66,210.29
  6. Step 6: Final answer
    x = 49,673.79

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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.