Home / 43,945.68-65,925.09-12,776.88

Finding the Fourth Proportional to 43,945.68, 65,925.09 and 12,776.88

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Solution

The fourth proportional to 43,945.68, 65,925.09 and 12,776.88 is: 19,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,945.68 : 65,925.09 = 12,776.88 : x
  2. Step 2: Convert to fraction form
    43,945.68/65,925.09 = 12,776.88/x
  3. Step 3: Cross multiply
    43,945.68x = 65,925.09 × 12,776.88
  4. Step 4: Simplify right side
    43,945.68x = 842,316,963.92
  5. Step 5: Solve for x
    x = 842,316,963.92/43,945.68
  6. Step 6: Final answer
    x = 19,167.23

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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.