Home / 29,648.63-40,924.82-21,289.43

Finding the Fourth Proportional to 29,648.63, 40,924.82 and 21,289.43

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Solution

The fourth proportional to 29,648.63, 40,924.82 and 21,289.43 is: 29,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,648.63 : 40,924.82 = 21,289.43 : x
  2. Step 2: Convert to fraction form
    29,648.63/40,924.82 = 21,289.43/x
  3. Step 3: Cross multiply
    29,648.63x = 40,924.82 × 21,289.43
  4. Step 4: Simplify right side
    29,648.63x = 871,265,939.25
  5. Step 5: Solve for x
    x = 871,265,939.25/29,648.63
  6. Step 6: Final answer
    x = 29,386.39

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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.