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Finding the Fourth Proportional to 33,445, 46,161.30 and 20,019.25

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Solution

The fourth proportional to 33,445, 46,161.30 and 20,019.25 is: 27,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,445 : 46,161.30 = 20,019.25 : x
  2. Step 2: Convert to fraction form
    33,445/46,161.30 = 20,019.25/x
  3. Step 3: Cross multiply
    33,445x = 46,161.30 × 20,019.25
  4. Step 4: Simplify right side
    33,445x = 924,114,605.03
  5. Step 5: Solve for x
    x = 924,114,605.03/33,445
  6. Step 6: Final answer
    x = 27,630.87

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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.