Home / 34,391.07-51,575.81-13,329.63

Finding the Fourth Proportional to 34,391.07, 51,575.81 and 13,329.63

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Solution

The fourth proportional to 34,391.07, 51,575.81 and 13,329.63 is: 19,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,391.07 : 51,575.81 = 13,329.63 : x
  2. Step 2: Convert to fraction form
    34,391.07/51,575.81 = 13,329.63/x
  3. Step 3: Cross multiply
    34,391.07x = 51,575.81 × 13,329.63
  4. Step 4: Simplify right side
    34,391.07x = 687,486,397.60
  5. Step 5: Solve for x
    x = 687,486,397.60/34,391.07
  6. Step 6: Final answer
    x = 19,990.26

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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.