Home / 35,306.48-48,702.60-21,151.12

Finding the Fourth Proportional to 35,306.48, 48,702.60 and 21,151.12

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Solution

The fourth proportional to 35,306.48, 48,702.60 and 21,151.12 is: 29,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,306.48 : 48,702.60 = 21,151.12 : x
  2. Step 2: Convert to fraction form
    35,306.48/48,702.60 = 21,151.12/x
  3. Step 3: Cross multiply
    35,306.48x = 48,702.60 × 21,151.12
  4. Step 4: Simplify right side
    35,306.48x = 1,030,114,536.91
  5. Step 5: Solve for x
    x = 1,030,114,536.91/35,306.48
  6. Step 6: Final answer
    x = 29,176.36

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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.