Home / 39,071.52-53,937.36-22,301.28

Finding the Fourth Proportional to 39,071.52, 53,937.36 and 22,301.28

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Solution

The fourth proportional to 39,071.52, 53,937.36 and 22,301.28 is: 30,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071.52 : 53,937.36 = 22,301.28 : x
  2. Step 2: Convert to fraction form
    39,071.52/53,937.36 = 22,301.28/x
  3. Step 3: Cross multiply
    39,071.52x = 53,937.36 × 22,301.28
  4. Step 4: Simplify right side
    39,071.52x = 1,202,872,167.82
  5. Step 5: Solve for x
    x = 1,202,872,167.82/39,071.52
  6. Step 6: Final answer
    x = 30,786.42

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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.