Home / 38,285.14-52,834.26-21,290.08

Finding the Fourth Proportional to 38,285.14, 52,834.26 and 21,290.08

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Solution

The fourth proportional to 38,285.14, 52,834.26 and 21,290.08 is: 29,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.14 : 52,834.26 = 21,290.08 : x
  2. Step 2: Convert to fraction form
    38,285.14/52,834.26 = 21,290.08/x
  3. Step 3: Cross multiply
    38,285.14x = 52,834.26 × 21,290.08
  4. Step 4: Simplify right side
    38,285.14x = 1,124,845,622.14
  5. Step 5: Solve for x
    x = 1,124,845,622.14/38,285.14
  6. Step 6: Final answer
    x = 29,380.74

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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.