Home / 31,849.07-43,955.99-20,551.41

Finding the Fourth Proportional to 31,849.07, 43,955.99 and 20,551.41

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Solution

The fourth proportional to 31,849.07, 43,955.99 and 20,551.41 is: 28,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.07 : 43,955.99 = 20,551.41 : x
  2. Step 2: Convert to fraction form
    31,849.07/43,955.99 = 20,551.41/x
  3. Step 3: Cross multiply
    31,849.07x = 43,955.99 × 20,551.41
  4. Step 4: Simplify right side
    31,849.07x = 903,357,634.52
  5. Step 5: Solve for x
    x = 903,357,634.52/31,849.07
  6. Step 6: Final answer
    x = 28,363.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.