Home / 43,929.97-65,901.40-13,934.21

Finding the Fourth Proportional to 43,929.97, 65,901.40 and 13,934.21

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Solution

The fourth proportional to 43,929.97, 65,901.40 and 13,934.21 is: 20,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,929.97 : 65,901.40 = 13,934.21 : x
  2. Step 2: Convert to fraction form
    43,929.97/65,901.40 = 13,934.21/x
  3. Step 3: Cross multiply
    43,929.97x = 65,901.40 × 13,934.21
  4. Step 4: Simplify right side
    43,929.97x = 918,283,946.89
  5. Step 5: Solve for x
    x = 918,283,946.89/43,929.97
  6. Step 6: Final answer
    x = 20,903.36

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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.