Home / 39,349.77-54,301.09-21,444.38

Finding the Fourth Proportional to 39,349.77, 54,301.09 and 21,444.38

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Solution

The fourth proportional to 39,349.77, 54,301.09 and 21,444.38 is: 29,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349.77 : 54,301.09 = 21,444.38 : x
  2. Step 2: Convert to fraction form
    39,349.77/54,301.09 = 21,444.38/x
  3. Step 3: Cross multiply
    39,349.77x = 54,301.09 × 21,444.38
  4. Step 4: Simplify right side
    39,349.77x = 1,164,453,208.37
  5. Step 5: Solve for x
    x = 1,164,453,208.37/39,349.77
  6. Step 6: Final answer
    x = 29,592.38

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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.