Home / 43,875.78-65,813.62-14,293.57

Finding the Fourth Proportional to 43,875.78, 65,813.62 and 14,293.57

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Solution

The fourth proportional to 43,875.78, 65,813.62 and 14,293.57 is: 21,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,875.78 : 65,813.62 = 14,293.57 : x
  2. Step 2: Convert to fraction form
    43,875.78/65,813.62 = 14,293.57/x
  3. Step 3: Cross multiply
    43,875.78x = 65,813.62 × 14,293.57
  4. Step 4: Simplify right side
    43,875.78x = 940,711,584.42
  5. Step 5: Solve for x
    x = 940,711,584.42/43,875.78
  6. Step 6: Final answer
    x = 21,440.34

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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.