Home / 43,780.68-65,685.60-14,199.48

Finding the Fourth Proportional to 43,780.68, 65,685.60 and 14,199.48

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Solution

The fourth proportional to 43,780.68, 65,685.60 and 14,199.48 is: 21,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,780.68 : 65,685.60 = 14,199.48 : x
  2. Step 2: Convert to fraction form
    43,780.68/65,685.60 = 14,199.48/x
  3. Step 3: Cross multiply
    43,780.68x = 65,685.60 × 14,199.48
  4. Step 4: Simplify right side
    43,780.68x = 932,701,363.49
  5. Step 5: Solve for x
    x = 932,701,363.49/43,780.68
  6. Step 6: Final answer
    x = 21,303.95

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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.