Home / 35,282.64-48,682.44-20,370

Finding the Fourth Proportional to 35,282.64, 48,682.44 and 20,370

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Solution

The fourth proportional to 35,282.64, 48,682.44 and 20,370 is: 28,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,282.64 : 48,682.44 = 20,370 : x
  2. Step 2: Convert to fraction form
    35,282.64/48,682.44 = 20,370/x
  3. Step 3: Cross multiply
    35,282.64x = 48,682.44 × 20,370
  4. Step 4: Simplify right side
    35,282.64x = 991,661,302.80
  5. Step 5: Solve for x
    x = 991,661,302.80/35,282.64
  6. Step 6: Final answer
    x = 28,106.21

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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.