Home / 38,939.25-58,402.47-10,861.21

Finding the Fourth Proportional to 38,939.25, 58,402.47 and 10,861.21

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Solution

The fourth proportional to 38,939.25, 58,402.47 and 10,861.21 is: 16,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,939.25 : 58,402.47 = 10,861.21 : x
  2. Step 2: Convert to fraction form
    38,939.25/58,402.47 = 10,861.21/x
  3. Step 3: Cross multiply
    38,939.25x = 58,402.47 × 10,861.21
  4. Step 4: Simplify right side
    38,939.25x = 634,321,491.19
  5. Step 5: Solve for x
    x = 634,321,491.19/38,939.25
  6. Step 6: Final answer
    x = 16,290.03

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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.