Home / 38,983.09-58,470.99-10,905.67

Finding the Fourth Proportional to 38,983.09, 58,470.99 and 10,905.67

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Solution

The fourth proportional to 38,983.09, 58,470.99 and 10,905.67 is: 16,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,983.09 : 58,470.99 = 10,905.67 : x
  2. Step 2: Convert to fraction form
    38,983.09/58,470.99 = 10,905.67/x
  3. Step 3: Cross multiply
    38,983.09x = 58,470.99 × 10,905.67
  4. Step 4: Simplify right side
    38,983.09x = 637,665,321.51
  5. Step 5: Solve for x
    x = 637,665,321.51/38,983.09
  6. Step 6: Final answer
    x = 16,357.49

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Double scale
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Similar ratio
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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.