Home / 34,389.39-47,465.79-20,968.04

Finding the Fourth Proportional to 34,389.39, 47,465.79 and 20,968.04

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Solution

The fourth proportional to 34,389.39, 47,465.79 and 20,968.04 is: 28,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,389.39 : 47,465.79 = 20,968.04 : x
  2. Step 2: Convert to fraction form
    34,389.39/47,465.79 = 20,968.04/x
  3. Step 3: Cross multiply
    34,389.39x = 47,465.79 × 20,968.04
  4. Step 4: Simplify right side
    34,389.39x = 995,264,415.36
  5. Step 5: Solve for x
    x = 995,264,415.36/34,389.39
  6. Step 6: Final answer
    x = 28,941.03

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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.