Home / 52,736.02-79,103.82-21,160.19

Finding the Fourth Proportional to 52,736.02, 79,103.82 and 21,160.19

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Solution

The fourth proportional to 52,736.02, 79,103.82 and 21,160.19 is: 31,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,736.02 : 79,103.82 = 21,160.19 : x
  2. Step 2: Convert to fraction form
    52,736.02/79,103.82 = 21,160.19/x
  3. Step 3: Cross multiply
    52,736.02x = 79,103.82 × 21,160.19
  4. Step 4: Simplify right side
    52,736.02x = 1,673,851,860.93
  5. Step 5: Solve for x
    x = 1,673,851,860.93/52,736.02
  6. Step 6: Final answer
    x = 31,740.20

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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.