Home / 43,853.09-65,780.24-14,271.08

Finding the Fourth Proportional to 43,853.09, 65,780.24 and 14,271.08

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Solution

The fourth proportional to 43,853.09, 65,780.24 and 14,271.08 is: 21,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,853.09 : 65,780.24 = 14,271.08 : x
  2. Step 2: Convert to fraction form
    43,853.09/65,780.24 = 14,271.08/x
  3. Step 3: Cross multiply
    43,853.09x = 65,780.24 × 14,271.08
  4. Step 4: Simplify right side
    43,853.09x = 938,755,067.46
  5. Step 5: Solve for x
    x = 938,755,067.46/43,853.09
  6. Step 6: Final answer
    x = 21,406.82

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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.