Home / 39,567.97-54,603.81-21,664.13

Finding the Fourth Proportional to 39,567.97, 54,603.81 and 21,664.13

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Solution

The fourth proportional to 39,567.97, 54,603.81 and 21,664.13 is: 29,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,567.97 : 54,603.81 = 21,664.13 : x
  2. Step 2: Convert to fraction form
    39,567.97/54,603.81 = 21,664.13/x
  3. Step 3: Cross multiply
    39,567.97x = 54,603.81 × 21,664.13
  4. Step 4: Simplify right side
    39,567.97x = 1,182,944,038.34
  5. Step 5: Solve for x
    x = 1,182,944,038.34/39,567.97
  6. Step 6: Final answer
    x = 29,896.51

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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.