Home / 43,820.64-65,733.08-12,230.64

Finding the Fourth Proportional to 43,820.64, 65,733.08 and 12,230.64

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Solution

The fourth proportional to 43,820.64, 65,733.08 and 12,230.64 is: 18,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,820.64 : 65,733.08 = 12,230.64 : x
  2. Step 2: Convert to fraction form
    43,820.64/65,733.08 = 12,230.64/x
  3. Step 3: Cross multiply
    43,820.64x = 65,733.08 × 12,230.64
  4. Step 4: Simplify right side
    43,820.64x = 803,957,637.57
  5. Step 5: Solve for x
    x = 803,957,637.57/43,820.64
  6. Step 6: Final answer
    x = 18,346.55

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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.