Home / 35,719.40-49,293.96-21,569.42

Finding the Fourth Proportional to 35,719.40, 49,293.96 and 21,569.42

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Solution

The fourth proportional to 35,719.40, 49,293.96 and 21,569.42 is: 29,766.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,719.40 : 49,293.96 = 21,569.42 : x
  2. Step 2: Convert to fraction form
    35,719.40/49,293.96 = 21,569.42/x
  3. Step 3: Cross multiply
    35,719.40x = 49,293.96 × 21,569.42
  4. Step 4: Simplify right side
    35,719.40x = 1,063,242,126.70
  5. Step 5: Solve for x
    x = 1,063,242,126.70/35,719.40
  6. Step 6: Final answer
    x = 29,766.52

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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.