Home / 31,940.07-44,053.85-20,603.82

Finding the Fourth Proportional to 31,940.07, 44,053.85 and 20,603.82

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Solution

The fourth proportional to 31,940.07, 44,053.85 and 20,603.82 is: 28,418.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940.07 : 44,053.85 = 20,603.82 : x
  2. Step 2: Convert to fraction form
    31,940.07/44,053.85 = 20,603.82/x
  3. Step 3: Cross multiply
    31,940.07x = 44,053.85 × 20,603.82
  4. Step 4: Simplify right side
    31,940.07x = 907,677,506.67
  5. Step 5: Solve for x
    x = 907,677,506.67/31,940.07
  6. Step 6: Final answer
    x = 28,418.14

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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.