Home / 38,749.88-53,480.42-21,526.17

Finding the Fourth Proportional to 38,749.88, 53,480.42 and 21,526.17

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Solution

The fourth proportional to 38,749.88, 53,480.42 and 21,526.17 is: 29,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,749.88 : 53,480.42 = 21,526.17 : x
  2. Step 2: Convert to fraction form
    38,749.88/53,480.42 = 21,526.17/x
  3. Step 3: Cross multiply
    38,749.88x = 53,480.42 × 21,526.17
  4. Step 4: Simplify right side
    38,749.88x = 1,151,228,504.96
  5. Step 5: Solve for x
    x = 1,151,228,504.96/38,749.88
  6. Step 6: Final answer
    x = 29,709.22

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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.