Home / 34,877.35-48,130.94-20,537.80

Finding the Fourth Proportional to 34,877.35, 48,130.94 and 20,537.80

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Solution

The fourth proportional to 34,877.35, 48,130.94 and 20,537.80 is: 28,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,877.35 : 48,130.94 = 20,537.80 : x
  2. Step 2: Convert to fraction form
    34,877.35/48,130.94 = 20,537.80/x
  3. Step 3: Cross multiply
    34,877.35x = 48,130.94 × 20,537.80
  4. Step 4: Simplify right side
    34,877.35x = 988,503,619.53
  5. Step 5: Solve for x
    x = 988,503,619.53/34,877.35
  6. Step 6: Final answer
    x = 28,342.28

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1.5x scale

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.