Home / 43,865.66-65,810.14-13,880.43

Finding the Fourth Proportional to 43,865.66, 65,810.14 and 13,880.43

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Solution

The fourth proportional to 43,865.66, 65,810.14 and 13,880.43 is: 20,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,865.66 : 65,810.14 = 13,880.43 : x
  2. Step 2: Convert to fraction form
    43,865.66/65,810.14 = 13,880.43/x
  3. Step 3: Cross multiply
    43,865.66x = 65,810.14 × 13,880.43
  4. Step 4: Simplify right side
    43,865.66x = 913,472,748.74
  5. Step 5: Solve for x
    x = 913,472,748.74/43,865.66
  6. Step 6: Final answer
    x = 20,824.33

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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.