Home / 43,598.12-65,397.80-12,433.38

Finding the Fourth Proportional to 43,598.12, 65,397.80 and 12,433.38

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Solution

The fourth proportional to 43,598.12, 65,397.80 and 12,433.38 is: 18,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,598.12 : 65,397.80 = 12,433.38 : x
  2. Step 2: Convert to fraction form
    43,598.12/65,397.80 = 12,433.38/x
  3. Step 3: Cross multiply
    43,598.12x = 65,397.80 × 12,433.38
  4. Step 4: Simplify right side
    43,598.12x = 813,115,698.56
  5. Step 5: Solve for x
    x = 813,115,698.56/43,598.12
  6. Step 6: Final answer
    x = 18,650.25

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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.