Home / 38,120.33-52,606.36-21,124.85

Finding the Fourth Proportional to 38,120.33, 52,606.36 and 21,124.85

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Solution

The fourth proportional to 38,120.33, 52,606.36 and 21,124.85 is: 29,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120.33 : 52,606.36 = 21,124.85 : x
  2. Step 2: Convert to fraction form
    38,120.33/52,606.36 = 21,124.85/x
  3. Step 3: Cross multiply
    38,120.33x = 52,606.36 × 21,124.85
  4. Step 4: Simplify right side
    38,120.33x = 1,111,301,542.75
  5. Step 5: Solve for x
    x = 1,111,301,542.75/38,120.33
  6. Step 6: Final answer
    x = 29,152.47

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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.