Home / 32,911.48-49,337.70-12,130.12

Finding the Fourth Proportional to 32,911.48, 49,337.70 and 12,130.12

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Solution

The fourth proportional to 32,911.48, 49,337.70 and 12,130.12 is: 18,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,911.48 : 49,337.70 = 12,130.12 : x
  2. Step 2: Convert to fraction form
    32,911.48/49,337.70 = 12,130.12/x
  3. Step 3: Cross multiply
    32,911.48x = 49,337.70 × 12,130.12
  4. Step 4: Simplify right side
    32,911.48x = 598,472,221.52
  5. Step 5: Solve for x
    x = 598,472,221.52/32,911.48
  6. Step 6: Final answer
    x = 18,184.30

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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.