Home / 66,287.25-91,476.41-38,009.34

Finding the Fourth Proportional to 66,287.25, 91,476.41 and 38,009.34

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Solution

The fourth proportional to 66,287.25, 91,476.41 and 38,009.34 is: 52,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,287.25 : 91,476.41 = 38,009.34 : x
  2. Step 2: Convert to fraction form
    66,287.25/91,476.41 = 38,009.34/x
  3. Step 3: Cross multiply
    66,287.25x = 91,476.41 × 38,009.34
  4. Step 4: Simplify right side
    66,287.25x = 3,476,957,779.62
  5. Step 5: Solve for x
    x = 3,476,957,779.62/66,287.25
  6. Step 6: Final answer
    x = 52,452.89

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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.