Home / 43,897.71-65,857.05-14,315.58

Finding the Fourth Proportional to 43,897.71, 65,857.05 and 14,315.58

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Solution

The fourth proportional to 43,897.71, 65,857.05 and 14,315.58 is: 21,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,897.71 : 65,857.05 = 14,315.58 : x
  2. Step 2: Convert to fraction form
    43,897.71/65,857.05 = 14,315.58/x
  3. Step 3: Cross multiply
    43,897.71x = 65,857.05 × 14,315.58
  4. Step 4: Simplify right side
    43,897.71x = 942,781,867.84
  5. Step 5: Solve for x
    x = 942,781,867.84/43,897.71
  6. Step 6: Final answer
    x = 21,476.79

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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.