Home / 39,476.03-54,474.59-21,567.47

Finding the Fourth Proportional to 39,476.03, 54,474.59 and 21,567.47

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Solution

The fourth proportional to 39,476.03, 54,474.59 and 21,567.47 is: 29,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,476.03 : 54,474.59 = 21,567.47 : x
  2. Step 2: Convert to fraction form
    39,476.03/54,474.59 = 21,567.47/x
  3. Step 3: Cross multiply
    39,476.03x = 54,474.59 × 21,567.47
  4. Step 4: Simplify right side
    39,476.03x = 1,174,878,867.13
  5. Step 5: Solve for x
    x = 1,174,878,867.13/39,476.03
  6. Step 6: Final answer
    x = 29,761.83

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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.