Home / 66,646.13-91,971.65-36,838.13

Finding the Fourth Proportional to 66,646.13, 91,971.65 and 36,838.13

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Solution

The fourth proportional to 66,646.13, 91,971.65 and 36,838.13 is: 50,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,646.13 : 91,971.65 = 36,838.13 : x
  2. Step 2: Convert to fraction form
    66,646.13/91,971.65 = 36,838.13/x
  3. Step 3: Cross multiply
    66,646.13x = 91,971.65 × 36,838.13
  4. Step 4: Simplify right side
    66,646.13x = 3,388,063,231.25
  5. Step 5: Solve for x
    x = 3,388,063,231.25/66,646.13
  6. Step 6: Final answer
    x = 50,836.61

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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.