Home / 34,938.38-48,218.82-21,506.96

Finding the Fourth Proportional to 34,938.38, 48,218.82 and 21,506.96

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Solution

The fourth proportional to 34,938.38, 48,218.82 and 21,506.96 is: 29,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,938.38 : 48,218.82 = 21,506.96 : x
  2. Step 2: Convert to fraction form
    34,938.38/48,218.82 = 21,506.96/x
  3. Step 3: Cross multiply
    34,938.38x = 48,218.82 × 21,506.96
  4. Step 4: Simplify right side
    34,938.38x = 1,037,040,232.99
  5. Step 5: Solve for x
    x = 1,037,040,232.99/34,938.38
  6. Step 6: Final answer
    x = 29,681.98

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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.