Home / 34,379.48-47,441.22-20,230.40

Finding the Fourth Proportional to 34,379.48, 47,441.22 and 20,230.40

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Solution

The fourth proportional to 34,379.48, 47,441.22 and 20,230.40 is: 27,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,379.48 : 47,441.22 = 20,230.40 : x
  2. Step 2: Convert to fraction form
    34,379.48/47,441.22 = 20,230.40/x
  3. Step 3: Cross multiply
    34,379.48x = 47,441.22 × 20,230.40
  4. Step 4: Simplify right side
    34,379.48x = 959,754,857.09
  5. Step 5: Solve for x
    x = 959,754,857.09/34,379.48
  6. Step 6: Final answer
    x = 27,916.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.