Home / 35,834.40-49,449.60-21,686.40

Finding the Fourth Proportional to 35,834.40, 49,449.60 and 21,686.40

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Solution

The fourth proportional to 35,834.40, 49,449.60 and 21,686.40 is: 29,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,834.40 : 49,449.60 = 21,686.40 : x
  2. Step 2: Convert to fraction form
    35,834.40/49,449.60 = 21,686.40/x
  3. Step 3: Cross multiply
    35,834.40x = 49,449.60 × 21,686.40
  4. Step 4: Simplify right side
    35,834.40x = 1,072,383,805.44
  5. Step 5: Solve for x
    x = 1,072,383,805.44/35,834.40
  6. Step 6: Final answer
    x = 29,926.10

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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.