Home / 43,785.74-65,685.90-14,197.46

Finding the Fourth Proportional to 43,785.74, 65,685.90 and 14,197.46

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Solution

The fourth proportional to 43,785.74, 65,685.90 and 14,197.46 is: 21,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,785.74 : 65,685.90 = 14,197.46 : x
  2. Step 2: Convert to fraction form
    43,785.74/65,685.90 = 14,197.46/x
  3. Step 3: Cross multiply
    43,785.74x = 65,685.90 × 14,197.46
  4. Step 4: Simplify right side
    43,785.74x = 932,572,937.81
  5. Step 5: Solve for x
    x = 932,572,937.81/43,785.74
  6. Step 6: Final answer
    x = 21,298.55

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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.