Home / 36,430.35-50,275.13-21,324.42

Finding the Fourth Proportional to 36,430.35, 50,275.13 and 21,324.42

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Solution

The fourth proportional to 36,430.35, 50,275.13 and 21,324.42 is: 29,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,430.35 : 50,275.13 = 21,324.42 : x
  2. Step 2: Convert to fraction form
    36,430.35/50,275.13 = 21,324.42/x
  3. Step 3: Cross multiply
    36,430.35x = 50,275.13 × 21,324.42
  4. Step 4: Simplify right side
    36,430.35x = 1,072,087,881.05
  5. Step 5: Solve for x
    x = 1,072,087,881.05/36,430.35
  6. Step 6: Final answer
    x = 29,428.43

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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.