Home / 40,032.70-55,245.12-21,883.49

Finding the Fourth Proportional to 40,032.70, 55,245.12 and 21,883.49

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Solution

The fourth proportional to 40,032.70, 55,245.12 and 21,883.49 is: 30,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032.70 : 55,245.12 = 21,883.49 : x
  2. Step 2: Convert to fraction form
    40,032.70/55,245.12 = 21,883.49/x
  3. Step 3: Cross multiply
    40,032.70x = 55,245.12 × 21,883.49
  4. Step 4: Simplify right side
    40,032.70x = 1,208,956,031.07
  5. Step 5: Solve for x
    x = 1,208,956,031.07/40,032.70
  6. Step 6: Final answer
    x = 30,199.21

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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.