Home / 35,827.14-49,445.46-21,679.68

Finding the Fourth Proportional to 35,827.14, 49,445.46 and 21,679.68

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Solution

The fourth proportional to 35,827.14, 49,445.46 and 21,679.68 is: 29,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,827.14 : 49,445.46 = 21,679.68 : x
  2. Step 2: Convert to fraction form
    35,827.14/49,445.46 = 21,679.68/x
  3. Step 3: Cross multiply
    35,827.14x = 49,445.46 × 21,679.68
  4. Step 4: Simplify right side
    35,827.14x = 1,071,961,750.25
  5. Step 5: Solve for x
    x = 1,071,961,750.25/35,827.14
  6. Step 6: Final answer
    x = 29,920.38

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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.