Home / 33,128.13-49,682.08-9,437.61

Finding the Fourth Proportional to 33,128.13, 49,682.08 and 9,437.61

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Solution

The fourth proportional to 33,128.13, 49,682.08 and 9,437.61 is: 14,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,128.13 : 49,682.08 = 9,437.61 : x
  2. Step 2: Convert to fraction form
    33,128.13/49,682.08 = 9,437.61/x
  3. Step 3: Cross multiply
    33,128.13x = 49,682.08 × 9,437.61
  4. Step 4: Simplify right side
    33,128.13x = 468,880,095.03
  5. Step 5: Solve for x
    x = 468,880,095.03/33,128.13
  6. Step 6: Final answer
    x = 14,153.53

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1.5x scale

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.