Home / 34,876.85-48,130.25-20,537.30

Finding the Fourth Proportional to 34,876.85, 48,130.25 and 20,537.30

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Solution

The fourth proportional to 34,876.85, 48,130.25 and 20,537.30 is: 28,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,876.85 : 48,130.25 = 20,537.30 : x
  2. Step 2: Convert to fraction form
    34,876.85/48,130.25 = 20,537.30/x
  3. Step 3: Cross multiply
    34,876.85x = 48,130.25 × 20,537.30
  4. Step 4: Simplify right side
    34,876.85x = 988,465,280.64
  5. Step 5: Solve for x
    x = 988,465,280.64/34,876.85
  6. Step 6: Final answer
    x = 28,341.59

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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.