Home / 33,112.80-49,689.75-13,391.53

Finding the Fourth Proportional to 33,112.80, 49,689.75 and 13,391.53

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Solution

The fourth proportional to 33,112.80, 49,689.75 and 13,391.53 is: 20,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.80 : 49,689.75 = 13,391.53 : x
  2. Step 2: Convert to fraction form
    33,112.80/49,689.75 = 13,391.53/x
  3. Step 3: Cross multiply
    33,112.80x = 49,689.75 × 13,391.53
  4. Step 4: Simplify right side
    33,112.80x = 665,421,703.81
  5. Step 5: Solve for x
    x = 665,421,703.81/33,112.80
  6. Step 6: Final answer
    x = 20,095.60

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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.