Home / 43,875.47-65,820.04-14,286.43

Finding the Fourth Proportional to 43,875.47, 65,820.04 and 14,286.43

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Solution

The fourth proportional to 43,875.47, 65,820.04 and 14,286.43 is: 21,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,875.47 : 65,820.04 = 14,286.43 : x
  2. Step 2: Convert to fraction form
    43,875.47/65,820.04 = 14,286.43/x
  3. Step 3: Cross multiply
    43,875.47x = 65,820.04 × 14,286.43
  4. Step 4: Simplify right side
    43,875.47x = 940,333,150.74
  5. Step 5: Solve for x
    x = 940,333,150.74/43,875.47
  6. Step 6: Final answer
    x = 21,431.86

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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.