Home / 34,720.45-47,914.26-18,804.92

Finding the Fourth Proportional to 34,720.45, 47,914.26 and 18,804.92

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Solution

The fourth proportional to 34,720.45, 47,914.26 and 18,804.92 is: 25,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.45 : 47,914.26 = 18,804.92 : x
  2. Step 2: Convert to fraction form
    34,720.45/47,914.26 = 18,804.92/x
  3. Step 3: Cross multiply
    34,720.45x = 47,914.26 × 18,804.92
  4. Step 4: Simplify right side
    34,720.45x = 901,023,516.07
  5. Step 5: Solve for x
    x = 901,023,516.07/34,720.45
  6. Step 6: Final answer
    x = 25,950.80

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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.