Home / 32,934.48-49,408.98-12,945.90

Finding the Fourth Proportional to 32,934.48, 49,408.98 and 12,945.90

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Solution

The fourth proportional to 32,934.48, 49,408.98 and 12,945.90 is: 19,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,934.48 : 49,408.98 = 12,945.90 : x
  2. Step 2: Convert to fraction form
    32,934.48/49,408.98 = 12,945.90/x
  3. Step 3: Cross multiply
    32,934.48x = 49,408.98 × 12,945.90
  4. Step 4: Simplify right side
    32,934.48x = 639,643,714.18
  5. Step 5: Solve for x
    x = 639,643,714.18/32,934.48
  6. Step 6: Final answer
    x = 19,421.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.