Home / 38,296.45-52,842.94-21,300.49

Finding the Fourth Proportional to 38,296.45, 52,842.94 and 21,300.49

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Solution

The fourth proportional to 38,296.45, 52,842.94 and 21,300.49 is: 29,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,296.45 : 52,842.94 = 21,300.49 : x
  2. Step 2: Convert to fraction form
    38,296.45/52,842.94 = 21,300.49/x
  3. Step 3: Cross multiply
    38,296.45x = 52,842.94 × 21,300.49
  4. Step 4: Simplify right side
    38,296.45x = 1,125,580,515.04
  5. Step 5: Solve for x
    x = 1,125,580,515.04/38,296.45
  6. Step 6: Final answer
    x = 29,391.25

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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.