Home / 43,630.22-65,445.33-12,465.47

Finding the Fourth Proportional to 43,630.22, 65,445.33 and 12,465.47

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Solution

The fourth proportional to 43,630.22, 65,445.33 and 12,465.47 is: 18,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,630.22 : 65,445.33 = 12,465.47 : x
  2. Step 2: Convert to fraction form
    43,630.22/65,445.33 = 12,465.47/x
  3. Step 3: Cross multiply
    43,630.22x = 65,445.33 × 12,465.47
  4. Step 4: Simplify right side
    43,630.22x = 815,806,961.37
  5. Step 5: Solve for x
    x = 815,806,961.37/43,630.22
  6. Step 6: Final answer
    x = 18,698.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.